The Hygieostatic Bat Roost is located in Kendall County, approximately east of

Comfort Comfort (or being comfortable'')'' is a sense of physical or psychological ease, often characterized as a lack of hardship. Persons who are lacking in comfort are uncomfortable, or experiencing discomfort. A degree of psychological comfort c ...

on the south side of RM 473, in the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sover ...

Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...

. It was erected in 1918 on property owned by former

San Antonio ("Cradle of Freedom") , image_map = , mapsize = 220px , map_caption = Interactive map of San Antonio , subdivision_type = Country , subdivision_name = United States , subdivision_type1= U.S. state, State , subdivision_name1 = Texas , s ...

Mayor Pro Tem Albert Steves, who had commissioned San Antonio health officer Dr. Charles A. R. Campbell to design the structure. The shingled pyramid-shaped raised tower stands high. One

dormer A dormer is a roofed structure, often containing a window, that projects vertically beyond the plane of a pitched roof. A dormer window (also called ''dormer'') is a form of roof window. Dormers are commonly used to increase the usable space ...

serves as an entrance for the bats, while the other dormers are ornamental. The lower portion of the tower allows access for humans. The concrete base of the tower is raised off the ground, facilitating wagons being driven beneath to collect the

guano Guano (Spanish from qu, wanu) is the accumulated excrement of seabirds or bats. As a manure, guano is a highly effective fertilizer due to the high content of nitrogen, phosphate, and potassium, all key nutrients essential for plant growth. G ...

. Campbell had been researching a method of controlling the spread of mosquito-carried

malaria Malaria is a mosquito-borne infectious disease that affects humans and other animals. Malaria causes symptoms that typically include fever, tiredness, vomiting, and headaches. In severe cases, it can cause jaundice, seizures, coma, or death. S ...

, by encouraging the insect's natural enemy, the bat. Although mosquitoes have other natural enemies, many of them are active only during the daytime hours, while bats fly in search of food during the night when mosquitoes are most active. Campbell patented his bat roost design and erected several of them in the San Antonio area beginning in 1907. When the bat roost was built on his Kendall County property, Steves coined the name Hygieostatic Bat Roost based on the Greek words ''hygiea'' (health) and ''stasis'' (standing). The descendants of Albert Steves still own the property where the tower is located. It was designated a

Recorded Texas Historic Landmark Recorded Texas Historic Landmark (RTHL) is a designation awarded by the Texas Historical Commission for historically and architecturally significant properties in the U.S. state of Texas. RTHL is a legal designation and the highest honor the sta ...

in 1981. In 1983, the roost was added to the

National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic v ...

References

External links

{{DEFAULTSORT:Hygieostatic Bat Roost Bat roosts Buildings and structures completed in 1918 Buildings and structures in Kendall County, Texas Agricultural buildings and structures on the National Register of Historic Places in Texas Recorded Texas Historic Landmarks Biological pest control National Register of Historic Places in Kendall County, Texas

See also

References

External links