158 



PllOi'EEDINaS OF THE NATIONAL MUSEVM. 



VOL. XXXI. 



MICROCERAMUS FLORIDANUS Pilsbry. 



There are eiyht lots of this species in the coHection of the U, 8. 

 National jNIusenni, -is specimens in all. Two lots, Cat. Nos. 47-184: U. 

 S.N.M., and 188182 U.S.N.M., are labeled Florida, without specific 

 locality. The other six lots furnish the following data: 



Measurements of Microceramus foridanus. 



MICROCERAMUS TEXASIANUS Pilsbry. ' 



There are four lots, 56 specimens, in the collection of the L^ S. 

 National Museum. Three of these, Cat. Nos. 97456, 123766; and 

 134211, U.S.N.M., come from New Braiinfels, Tex. The other, Cat. 

 No. 126419, U.S.N. M., is from Helotes, Bexar County. Subjoined is 

 a list of 20 average specimens from New Braunfels and that of the 

 Helotes individual. 





