02 Notes on North American Crustacea^ 



YI, — Notes on North American Ckustacea, in the Museum of 

 the Smithsonian Institxition. No. III. 



By WILLIAM STIMPSON, M.D., Corresponding Member. 



Read October 2d, 1871. 



The publication of these notes has been discontinued for many 

 years,' owing to various unfavorable cirumstances, among 

 which may be mentioned the destruction by fire of some of the 

 author's manuscripts and materials, and want of opportunity of 

 access to the rest. It is proper to state that some of the de- 

 scriptions here following were written more than ten years ago, 

 and have not been revised.' 



Herbi^tia piibesccHs, nov. sp. 



Body covered with a dense short pubescence, beneath which tlie 

 carapax is smooth and nnarnied, except at the sides, where there are 

 a few minute spines. There are two inconspicuous tubercles in the 

 median line on the gastric region, and a short, transverse, tuberculi- 

 form ridge between the gastric and the cardiac region, which latter is 

 somewhat prominent. There is a single small triangular tubercle at 

 the posterior extremity, on the intestinal region. Rostrum very 

 short. Chelipeds with the meros and carpus armed with spiniform 

 tubercles ; hand smooth, \inarmed ; fingers not gaping (in the female 



' For No. I. see Annals of the Lyceum, Vol. VII. (1860), pp. 49-93 ; No. 

 II., same vol., pp. 176-246. 



- Since these pages were placed in the hands of the printer, the remainder 

 of these materials were involved in the disaster of the great fire of Chicago. 

 The manuscript descriptions of the North American Schizopods, Stomapods, 

 and Tetradecapods, intended to form a part of the present paper, with nu- 

 merous drawings and the specimens upon which they were based, were all 

 burnt in this third and finally complete destruction of the author's scientific 

 property. 



