378 REPORT OP NATIONAL MUSEUM, 1884. 



Observations upon a collection of insects made in the vicinity of Kew 

 Orleans, La., during the years 1882 and 1883. 



(Proo. U. S. Nat. Mus., vii, Sept. 1, 1884, pp. 3S1-338. One figure.) 



ELISHA SLADE, 

 Somerset, Mass. 



On doinesticated hybrid ducks {Anas hoschas-\-ohscura). 

 (Prec. U. S. Nat. Mus.. vii, June 11, 1884, p. 66.) 



SIDNEY I. SMITH, 

 Professor of Comparative Anatomy, Yale College, New Haven, Conn. 



On some new or little known decapod Crustacea, from recent Fish Com- 

 mission dredgings off the east coast of the United States. 

 (Proc. U. S. Nat. Mus., vii, Sept. 27, 1884, pp. 493-511.) 



Crustacea of the Albatross dredgings in 1883. 



(Am. Journ. Sci. and Arts, xxviii (J^lly 1884), pp. .^3-.56 ; Am,. Mag. Nat. Hist., 

 xiv (No. 81, Sept. 1884), pp. 179-183.) 



"A brief review of the results of the study (by the author) of the higher 

 Crustacea" collected during the deep-sea explorations of the United States 

 Fish Commission in 1883, which included some of the most important dredgings 

 yet made. The explorations extended from off Cape Hatteras to the region 

 of George's Bank. The author euumerates sixteen species of Crustacea with 

 well developed eyes in normal position, from depths of 2,030 to 2,949 fathoms. 



Report on the Decapod Crustacea of the Albatross dredgings off the 

 east coast of the United States in 1883. 



(Rep. U. S. Comm. Fish and Fisheries, 1882 (1884), pp. 345-426, (1-82), plates 

 1-x.) 



Also printed as author's extra with same paginatiou, and with cover and 

 full title-page. 



Sixty-seven species are described or mentioned, of which eighteen are new ; 

 three new genera are also described, and one new family defined, Glypho- 

 orangonidce, p. 364. The descriptions, especially of new species, are very full, 

 giving complete measurements and data as to distribution. The plates are 

 photo-engravings from drawings by J. H. Emerton and the author. 



The new genera described are as follows: 



Page. 



Ethusina 349 



Parapasiphoe 383 



Benthcecetes 391 



Following are the new species described : . 



Ethusina dbyssicola (pi. ii, figs. 1, lo) 349 



Galacantha Bairdii 356 



Pentacheles nanus 359 



Pentacheles debilis 360 



Pontophilus'abysai 363 



Aeanthephyra eximea 376 



Notostomus robiistus (pi. vii, fig. 2) 377 



Pasiphoe princeps (pi. v,fig. 2) •. '. 381 



Parapasiphoe sulcatifrons (pi. iv, fig, 4 ; pi. vi, figs. 1-7) 384 



Parapasiphoe cristata (pi. v, fig. 3) 388 



Parapasiphoe compta 389 



