186 A REVISION OF THE ASTACID^. 



Fig. 5 a . Cambarus Palrneri FAX. Form II .... X 6 



" 5 a '. The same. Form II X 6 



" 6 a . Cambarus immuuis HAG. Form II. X 6 



" 6 1 ". The same. Form II . X G 



" 7. Cambarus Moutezumse SAUS. Form I. . . X 20 



" 7'. The same. Form I X 20 



" 7. The same. Form II . X 16 



" 7"'. Tlie same. Form II. X 16 



" 8. Cambarus Shufeldtii FAX. Form I X 25 



" 8'. The same. Form I X 25 



" 8\ The same. Form II.* . . X 30 



" 8 a/ . Tlie same. Form II X 30 



" 9. Astacus (Cambaroides) Dauricus FAX. . . . . X 6 



" 9'. The same. X 6 



" 10. Astacus (Cambaroides) Japonicus FAX 



" 10'. The same 



* The distinction between form I. and form II. is not well shown in these figures. Compare the description 

 on page 124. 



