184 
A REVISION OF THE ASTACIDA. 
PLATE V. 
Cambarus cornutus Fax. Male, form I. Green River, Ky. 
The same. Side view of head. 
Cambarus propinquus, var. Sanbornii Fax. Male, form I. Carter Co., Ky. 
Cambarus forceps Fax. Male, form I. Lauderdale Co., Ala. 
Cambarus Putnami Fax. Male, form I. Grayson Springs, Ky. 
Cambarus compressus Fax. Male, form I. Lauderdale Co., Ala. 
PLATE VI. 
Astacus Klamathensis Straps. Male. Fort Walla Walla, Washington Territory. 
The same. Male. Sikan Creek, Oregon. é : : ‘ 
Astacus (Cambaroides) Schrenckti Fax. Female. 
Astacus leniusculus Dana. Male. . 
PLATE VII. 
Cambarus Shufeldtii Fax. Female. New Orleans, La. 
Figs. 2-30. First abdominal appendages of male. 
Cambarus Blandingii Ericus. Trenton, N.J. Form L., outer side. 
The same. Form L, inner side. . 
The same. Form L., front. 
The same. Form IL., front. 3 : A 5 J re . 5 
The same. Form II., inner side. j 
Cambarus Hayi Fax. Form L., outer side. . 
The same. Form I., inner side. 
The same. Form IL., outer side. 
The same. Form IL., inner side. 
PLATE VIIL 
First abdominal appendages of mate. 
Cambarus pubescens Fax. Form II. . 
The same. Form II. a WL 
Cambarus Alleni Fax. Form TI. . 
The same. Form I. s e 
Cambarus simulans Fax. Form I. 
The same. Form I. 
The same. Form II. . 
The same. Form II. ; 5 
Cambarus gracilis Bunpy. Type. Form I. 
The same. Form I. j 
The same. Form I. i < 
Cambarus Cubensis Ericus. FormI. . 
The same. Form I. 
The same. Form II. 
The same. Form II. . A P 
Cambarus acuminatus Fax. FormIl. . 
The same. Form II. . - 
Cambarus dubius Fax. FormTI. . 
The same. Form I. ; 6 
Cambarus Uhleri Fax. FormI.  . ; . 5 ‘ Z . 
The same. Form I. : 6 , 5 
The same. FormIl. . . é 5 0 a . > 
The same. Form II. . , f , 5 ; 5 : 
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x 8 
x 6 
x 6 
x 6 
x 6 
x 8 
a) 
33.0 
x 6 
x 6 
- xX 12 
x 12 
o OG le 
x 12 
- x 12 
x 12 
x 6 
x 6 
x 8 
x 8 
ee ty 
x 12 
