HARRIS: CRAYFISHES GENUS CAMBARUS. 151 



C. digueti, M., 1. 



C. diogenes, 5, 1; 41 ? 1. 



C. gracilis, 12, ? 1. 



C. hamulatus, 41, 1. 



C. immunis, M., 1; 11, 5. 



C. lancifer, 23, 1. 



C. maniculatug, 9, 1. 



C. mexicanus, M., 1, 2, ? 3, ? 4. 



C mississippiensis, 23, 1. 



C. montezumfe, M., 1, 2, 3, 4, 5. 



C. montezumEe areolatug, M., 1. 



C. montezuma^ dugesii, M., 1. 



C. montezumfe occidentalie, M., 1. 



C. nebrascensis, 26, 1. 



C pellucidus. 



C. pellucidus testii. 



C. propinquus, 11, 7; 12, 1. 



C. rusticus, 21, 2; 42, 1. 



C. sloanii, 16, 1. 



0. troglodytes, 9, 1. 



C. typhlobius. 



C. virilis, 12, 2; 21, 1; 22, 4. 



C. wiegmanni, M., 1. 



DISTRIBUTION BY STATES. 



Space need not be devoted to a table of species with the states 

 in which they occur, since that information may be obtained 

 from the systematically arranged list of species of the genus 

 given in the introduction, but for convenience in studying dis- 

 tribution, a list of states, with the species occurring therein, is 

 given. 



Canada. 

 C. argillicola. C. propinquus. 



C. bartonii. C. virilis. 



C. bartonii robustus. 



Uuitert States. 



ALABAMA. 



C. barbatus. C. forceps. 



C. bartonii longirostris, C immunis. 



C. blandingii acutu's. C latimanus. 



C. clarkii. 0. lecontei. 



C. compressus. C. rusticus. 



C erichsonianus. C spinosus. 



C evermanni. C versutus. 



C. extraneus. C. virilis. 

 C. extraneus girardianus. 



