HARRIS : CRAYFISHES GENUS CAMBARUS. 137 



ered. For certain localities it was impossible to determine the 

 drainage system, and others, as those of C. pellucidus, it is not 

 considered advisable to assign to streams. Of these species a 

 list is given at the end of the table. 



To facilitate use of the table, an index of species, the numbers 

 referring to the numbers of the streams in the table, is given at 

 the beginning : 



INDEX OF SPECIES. 



C. acuminatus. 56, 57, 60, 62, 105. 



C. affinis. 14, 15, 26, 38, 39, 40, 41, 42, 46, 47, 49, 50, 53. 



C. alabamensis. 102. 



0. alleni. 69, 71, 72, 73. 



C. argillicola. 10, 15, 20, 23, 56, 71, 89, 101, 107, 109, 147, 148. 



C. barbatus. 5, 78. 



C. bartonii. 5, 6, 8, 11, 12, 13, 14, 15, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 



40, 41, 42, 46, 48, 49, 50, 51, 52, 53, 56, 62, 101, 102, 103, 104, 105, 



106, 109, 110, 111, 114, 115, 116, 117, 118, 121. 

 C. bartonii longirostris. 78, 103, 104. 



O. bartonii robustus. 6, 10, 11, 13, 15, 36, 49, 51, 115, 116, 132. 

 C. blandingii. 5, 37, 40, 42, 43, 44, 45, 47, 48, 49, 52, 53, 54, 55, 56, 57, 59, 60, 61, 



64, 145. 

 C. blandingii acutus. 5, 24, 71, 79, 81, 82, 886, 89, 90, 91, 93, 98, 99, 102, 107, 



131, 134, 136, 144. 

 C. carolinus. 55, 88&, 92, 101, 102, 103, 116, 117. 

 C. clarkii. 69, 71, 77, 79, 89, 146, 148, 149. 

 C. clypeatus. 71. 

 C. compressus. 102. 

 C cornutus. 110. 

 C. difficilis. 93, 94. 

 C. diogenes. 5, 20, 24, 40, 42, 43, 45, 47, 49, 51, 52, 56, 57, 88, 89, 94, 98, 100, 101, 



107, 109, 110, 113, 114, 116, 118, 120, 122, 128, 131, 133, 134, 136, 138, 



140, 142. 

 C. erichsonianus. 84, 102, 105. 

 C. evermanni. 78. 

 C. extraneus. 84, 86, 102. 

 C extraneu9 girardianus. 102. 

 C. fallax. 69, /O, 74. 

 C. forceps. 102, 103, 104. 



C. gracilis. 24, 89, 95, 96, 107, 113, 122, 131, 132. 

 C. hagenianus. 5. 

 C harrisonii. 119. 

 C. hayi. 81. 

 C. hylas. 99. 

 C. immunia. 11, 15, 19, 24, 89, 102, 107, 109, 120, 122, 125, 127, 129, 131, 135, 



136, 137. 

 C. immunis spinirostris. 89, 107, 122. 

 C. indianensis. 108. 

 C. jordani. 86. 

 C. laneifer. 88, 100. 



