Coleopterous Fauna of Lower Rio Grande Valley. 81 
Tomas, June 9th. Also one taken by Schwarz. Distr. Known only from 
Lower Rio Grande. Belongs to the tropical fauna. 
333. Anomoea mutabilis , Lee. — La Puerta, Tamaulipas, May 6th, and 
Brownsville, June 5th, on Mimosa. Common through June on various 
plants in palmetto jungle at Santo Tomas, and elsewhere. Distr. Texas 
and Mexico, according to Schwarz. 
334. Coscinoptera aeneipennis , Lee. — One taken by Wickham in pal- 
metto thicket, at Santo Tomas, June 27th. Also taken by Schwarz in 
June. Det. Wick. Distr. Southern Arizona and Lower California to 
Texas and Mexico. 
335. Bahia guadriguttata, Oliv. — Taken in June. Distr. New Jersey 
to Kansas, New Mexico (near Las Vegas), Colorado ( West Cliff) , Ari- 
zona, and Texas. 
336. Chlamys maculipes, Chev. — One specimen taken on Malvaviscus 
drummondii in palmetto thicket at Santo Tomas, June 7th. Taken also 
by Schwarz at Santo Tomas in June. Distr. This is a tropical species, 
new to the United States fauna. It ranges from Tropical Mexico to 
Nicaragua, extending to the Lower Rio Grande. 
337. Chlamys memnonio, Lee. — Three specimens, including a pair in 
coitu, taken on mesquite foliage, April 9th. Also taken by Schwarz at 
San Diego, Texas. Distr. Southern Arizona to Southwestern Texas and 
Mexico. 
338. Exema conspersa, Mann. — One on Parthenium hysterophorus , 
June 22nd. Distr. Colorado and Utah to Southern California, Lower 
California, Arizona, and Texas. 
339. Cryptocephalus defectus , Lee. — One taken by Wickham third 
week in June. Det. Wick. Distr. Known only from Texas, according 
to Schwarz. 
340. Cryptocephalus mutabilis , Melsh. var. — One specimen taken by 
Wickham third week in June. Det. Wick. Distr. Atlantic coast to 
Texas is given as the range of the typical form. 
341. Cryptocephalus fulguratus , Lee. — Beaten in palmetto thicket, at 
Santo Tomas, June 5th to 9th. Also taken by Wickham in June and 
July. Distr. Texas and Tamaulipas. 
342. Cryptocephalus trizonatus , Suff. — Beaten from Ehretia elliptica 
and “retamal” in palmetto thicket near Santo Tomas, June 27th and 
August 20th, a pair being in coitu the former date. Also beaten from 
Cassia by Wickham in tangled thickets back of post, July 3rd. Distr. 
Texas and Mexico. A tropical species. 
343. Cryptocephalus , sp. — One specimen beaten by Wickham in pal- 
metto thicket near Santo Tomas, June 27th. Length, three mm. Color, 
wholly yellow, the elytra reticulate-veined with pale reddish-brown so as 
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