134 



REPORT OF NATIONAL MUSEUM, 1911. 



ARACHNIDS. 



Stiles, Chas. Wardell. The taxono- 

 mic value of the microscopic struc- 

 ture of the stigraal plates in the 

 tick genus Derniacentor. 



Stiles, Chas. Wardell — Continued. 



Bull. Hygienic Laboratory, 

 U. 8. P. H. & M. E. 8., 

 62, Aug., 1910, 72 pp., 43 

 pis. 



CRUSTACEANS. 



Andrews, E. A. Sperm transfer in 

 certain decapods. 



Proc. U. 8. Nat. Mus., 39, 

 No. 179.1, Jan. 11, 1911, 

 pp. 419-434, figs. 1-15. 

 Describes the sperm receptacle 

 in certain of the Peneidse and 

 shows how doubtful is the exist- 

 ence of any spermatheca in the 

 Eryonidea. 



Hansen, H. J. The genera and species 

 of the order Euphausiacea, with 

 account of remarkable variation. 



Bull, (le I'Institut Oceano- 

 graphique, No. 210, 20, 

 Mai, 1911, pp. 1-54, figs. 

 1-18. 

 A preliminary paper based on 

 the study of various collections, in- 

 cluding that in the U. S. National 

 Museum. Describes remarkable 

 variations in certain species, and 

 gives a general survey of the order 

 with descriptions of new and little 

 known species. 



Pilsbey, Henry A. Barnacles of 

 Japan and Bering Sea. 



Bull. Bur. Fisheries, 29, 

 1909, No. 739, Feb. 17, 

 1911, pp. 61-84, pis. VIII- 

 XVII, figs. 1-11. 

 A report on the Cirripedia col- 

 lected by the expedition of the 

 , U. S. Fisheries Steamer " Alba- 

 tross " to the Northwest Pacific in 

 1906. Twenty-four species and 3 

 subspecies were taken ; 7 of the 

 species and all the subspecies are 

 described as new. 



Rathbun, Mary J. Decapod crusta- 

 ceans collected in Dutch East India 

 and elsewhere by Mr. Thomas Bar- 

 bour in 1906-1907. 



Bull. Mus. Comp. Zool., 52, 



No. 16, Sept., 1910, pp. 



305-317, pis. 1-6. 



Of the 59 species noted, 54 were 



collected in Dutch East India, 4 



in British India, and 1 in deep 



water off Japan. 



One new species is described, a 

 fresh-water crab (Potamonid) from 

 Buitenzorg. 



The second set of specimens is in 

 the U. S. National Museum. 



Rathbun, Mary J. The Danish Ex- 

 pedition to Siam, 1899-1900. V. 

 Brachyura. 



D. Kgl. Danske Yiilcnsk. 

 Selsk. Skrifter, 7. Rsekke, 

 Naturvidensk. og Mathem. 

 Afd. V. 4, 1910, pp. 303- 

 367, pis. 1, 2, text figs. 

 1-44, 1 map. 

 [Memoires de l'Academie 

 Royale des Sciences et des 

 Lettres de Danemark, Co- 

 penhague, 7me serie, Sec- 

 tion des Sciences, t. V., 

 No. 4, 1910, pp. 303-367, 

 pis. 1, 2, figs. 1-44, 1 map.] 

 The collection of crabs obtained 

 by Dr. Theodor Mortensen in 1899- 

 1900 embraces 204 species and rep- 

 resents the eastern coast of the 

 Gulf of Siam, from the head of 

 the gulf to 11° north latitude. 



The new forms were described 

 in the previous year in the Pro- 

 ceedings of the Biological Society 

 of Washington. 



The second set of specimens is in 

 the U. S. National Museum. 



The stalk-eyed Crustacea of 



Peru and the adjacent coast. 



Proc. U. 8. Nat. Mus., 38, 

 No. 1766, Oct. 20, 1910, 

 pp. 531-620, pis. 36-56, 

 figs. 1-3. 

 Based on a large collection made 

 by Dr. Robert E. Coker during his 

 investigation of the fishery re- 

 sources of Peru during 1906-1908. 

 Each of the 70 species is figured, 

 and an annotated list is given, 

 followed by a bibliography and a 

 list of species known to occur in 

 the Peruvian Province. 



Six new species are described in 

 the genera Speocarcinus, Dromidia, 

 Hypoconcha, Dardanus, Munida, 

 and Lyswsquilla, and a new sub- 

 species in Synalpheus. 



Richardson, Harriet. Description of 

 a new isopod of the genus Notasellus 

 from the east coast of Patagonia. 



Proc. U. 8. Nat. Mus., 37, 



No. 1720, Aug. 4, 1910, 



pp. 649, 650, 1 fig. 



The new species, Notasellus trilob- 



atus, was taken at a depth of 58 



