184 A KEVISION OF THE ASTACID^E. 



PLATE V. 



Fig. 1. Cambarus cornutus FAX. Male, form I. Green River, Ky X 1 



" 2. The same. Side view of head. 



" 3. Cambarus propiuquus, var. Saubornii FAX. Male, form I. Carter Co., Ky. . . . X 2 



" 4. Cambarus forceps FAX. Male, form I. Lauderdale Co., Ala X 3 



" 5. Cambarus Putiiami FAX. Male, form I. Graysou Springs, Ky X 2 



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



PLATE VI. 



Fig. 1. Astacus Klainathensis 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 ERICHS. 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 a . The same. Form II., front . . . X 6 



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



" 3. Cambarus Hayi FAX. Form I., outer side X 6 



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



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



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



PLATE VIII. 



First abdominal appendayes of male. 



Fig. 1". Cambarus pubescens FAX. Form II. . . X 8 



" I 1 ". The same. Form II X 8 



" 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. The same. Form II X 8 



" W. The same. Form II X 8 



" 4. Cambarus gracilis BUXDY. Type. Form I. . X G 



" 4'. The same. Form I '....... X G 



" 4". The same. Form I X G 



" 5. Cambarus Cubensis ERICHS. Form I X 12 



" 5'. The same. Form I X 12 



" 5". The same. Form II X 12 



" 5'. The same. Form II X 12 



" 0". Cambarus aeuminatus FAX. Form II X 12 



" W. The same. Form II X 12 



" 7. Cambarus dubius FAX. Form I X 6 



" 7'. The same. Form I X 6 



" 8. Cambarus Uhleri FAX. Form I X 8 



" 8'. The same. Form I 



" 8". The same. Form II X 12 



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



