CAMBARUS. 7 ' 



„f male hooked. First abdomina. appendages of male and annulus of female 



as in G. Diogenes. 



Length, 76 mm. . M . , 



fi l Mb - Dominion of Canada : Toronto, Prov. Ontano. Mmh- 



!.„,, : Detroit, East Saginaw (Coll. Peabody Mus. 5 ale Co 1.). Indiana : New 



Wbany. Louisiana : Nov ( Means (Coll. U. S. Nat. Mus.). North Carohna . 



Ki "cWv related to 0. »,,<«. but at coco distinguished by the sharply 

 pressed Bngers bearded at the base, excised thumb w.th a smgle row of 

 b rrlc, on external margin, non-angulated anterior border o carapace et. 

 The types of this species were dog out of burrows m sold blue day 

 D rob Mich., by Mr. II. C, Hubbard, in August 1873. The bunws wer 

 toe to live feet deep. At the bottom of each burrow was a pocket m a 

 o of .00,0 gravel and Cay. holding water, dust above the wafer hue .an 

 enlargement in the burrow formed a shelf on which the annual rested. 



Specimens from Kinston, N. C, .and New Orleans, La wh.ch hav 

 refold to this species, are not adult, and cannot be deternnned wuth 

 absolute certainty. 



29. Carnbarus Uhleri. 



Plate VIII. flss. 8. 8', 8 a. S a' (drat abdominal appendages of male *). 



Camiarus Ukkri, Faxon, Proe. A r. Acad. Arts and 8d. XX. 110. L8S4. 



Male form I -Rostrum of moderate length, sides nearly parallel to base 

 of acumen, which is broadly triangular, acute; no lateral spines; upper 

 surface of rostrum plane, punctate, lightly foveolate at base, margms raised 

 n to a low, sharp crest, punctate-lineate ; there is a faint trace of a median 

 long itndinal carina. Post-orbital ridges without anterior spuaes, swob, 

 posteriorly. Carapace oval, punctate, granular on sub,. An tero-latsral 

 ° der „• t angu late or notched. No lateral or branchmste^an spines. 

 Cervical groove sub-sinuate. Areola none Abdomen longer than cephalo- 

 thorax Anterior segment of telson bispinose on each side, postenor seg- 

 me nt round behind. Epistoma triangular. Antenna, short wxth very smaU 

 nes on the second ami third segments, scale short, broad mner marg n 



o led. Third maxillipeds hairy within and 1 eath. Chela erate 



hand Mated, punctate, ciliate, inner margin ornamented With a row of sharp 

 • The full figure of ( accidentally omitted by the artist. 



