184 A REVISION OF THE ASTACID^E. 



PLATE V. 



Fig. 1. Cambarus cornutus Fax. Male, form I. Green River, Ky xl 



" 2. The same. Side view of head. 



" 3. Cambarus propinquus, var. Saubornii Fax. Male, form I. Carter Co., Ky. . . . X 2 



" 4. Cambarus forceps Fax. Male, form I. Lauderdale Co., Ala X3 



" 5. Cambarus Putnami Fax. Male, form I. Grayson Springs, Ky X 2 



" 6. Cambarus compressus Fax. Male, form I. Lauderdale Co., Ala. . . . . XI 



PLATE VI. 



Fig. 1. Astacus Klamathensis Stimps. Male. Fort Walla Walla, Washington Territory. . X 1 



" 2. The same. Male. Sikan Creek, Oregon. XI 



" 3. Astacus (Cambaroides) Schrenckii Fax. Female. ....... X 3 



" 4. Astacus leniusculus Dana. Male X 1 



PLATE VII. 



Fig. 1. Cambarus Shufeldtii Fax. Female. New Orleans, La X 4 



Figs. 2-3 a '. First abdominal appendages of male. 



" 2. Cambarus Blandingii Ebjchs. Trenton, N. J- Form I., outer side. . . . . X 6 



" 2'. The same. Form I., inner side. X 6 



" 2". The same. Form I., front X 6 



" 2 s . The same. Form II., front X 6 



" 2 a '. The same. Form II., inner side X 6 



" 3. Cambarus Ilayi Fax. Form I., outer side X 6 



" 3'. The same. Form I., inner side X 6 



" 3 a . The same. Form II., outer side. .......... X 6 



" 3 a '. The same. Form II., inner side X 6 



PLATE VIII. 



First abdominal appendages of male. 



Fig. I". Cambarus pubesceus Fax. Form II. X 8 



" V. The same. Form II X 3 



" 2. Cambarus Alleni Fax. Form I X 6 



" 2'. The same. Form I X 6 



" 3. Cambarus simulans Fax. Form I X 6 



" 3'. The same. Form I X 6 



" 3 a . The same. Form II X 8 



" W. The same. Form II X 8 



" I. Cambarus gracilis BUNDY. Type. Form I. X 6 



" ■!•'. The same. Form I X 6 



" 4". The same. Form I X A 



" 5. Cambarus Cubensis Ebichs. Form I ■ • X 12 



" 5'. The same. Form I X 12 



•' 5 a . The same. Form II X 12 



" 5 a '. The same. Form TI X 12 



" (> a . Cambarus acuminatus Fax. Form II X 12 



" A 1 ". The same. Form II X 12 



" 7. Cambarus dubius Fax. Form I X A 



" 1'. The same. Form I X A 



" 8. Cambarus TJhleri Fax. Form I XS 



" 8'. The same. Form I X 8 



" 8*. The same. I II X 12 



" S a '. The same. Form II X 12 



