68 SAN DIEGO SOCIETY OF NATURAL HISTORY 



PEACH (B. N.)— Continued 



three-edged and denticulated; hinder part of carapace not produced into baclvwardly 

 directed spines; caudal segments wide, singie-lobed epimera ; eyes large with papilla 

 issuing from the pedicle; antennular peduncle long, slender, the fiagella being short 

 and of nearly ecjual length. First pair of legs much more massive than the succeeding 

 ones, which are slender; branchiae given off from the base of all the seven pairs of 

 legs with lobate sternal branches; telson, large. 



The author includes under this genus: 



Tcallincnris '.ouJoncnsis sp. nov., T. ^voodivtirdi, Fltheriilge, Jr.; described under the 

 genus Anthrapalaemon in 1877; also a variety Tfalliocaris rllirridiici Peach (orig- 

 inally described under the genus Anthrapalaemon in 1S82) with the var. hitii Peach, 

 T. rohusta sp. nov. and var., T. tarrasiana sp. nov., T. jormosa Peach (originally de- 

 scribed as an Anthrapalaemon in 1882). 



Genus Pseudo-Galathea Peach, 1883: 



P. macconochiei Etheridge, Jr. (described in 1879 as an Anthrapalaemon), V. rotitda 

 Peach, P. ornatissima Peach (described in 1882 as AnlJirapalarmon ornnlissimus.) 



Genus Anthrapalaemon Salter, 1861 : 



The author restricts this generic name to such applanted forms as the (\pe ./. irros- 

 sarti Salter. Antlirapnlaernon russrllianus Salter (originally described under Palaeo- 

 carabus in 1863), also var. spinnlnsus and var. nov. 



Family Perimecturus gen. nov.: 



The characteristic feature of this genus is the enormous development of the tail. 



The author includes under this genus: P. park} and var. duplicicarhiatu.s, P. slorki 

 sp. nov., P. elfgons sp. nov., P. communis sp. nov., /'. cnsifer sp. nov., /'. pattoni Peach 

 (Palafsqiiilla pattoni Peach 1888). 



Family Anaspidae: 



Genus Palaeocaris Meek & \^'nrthen, 1868. 



Palaeocaris scntica Peach, /''. landshorotighti sp. nov. 



Family Mysidae: 



Genus Palaemysis gen. nov. 



Trimk unknown; tails long and fusiform, and segments supplied with well-developed 

 epimera and well-developed pleopods. External branches of the uropods much longer 

 than the forked telson; internal branches of uropods short so that the tail fan is deeply 

 forked. 



The author included in tiie genus: 



Palaemysis dunlopi sp. no\-., /'. cnuttsi sp. nov. ant! P. tenuis sp. nov. 



Family Euphausidae: 



Genus Anthracophausia gen. nov. 



Elongated laterally compressed, prawn-like forms, ^v^th thin, smooth chitinous in- 

 teguments; carapace one-third the length of the body; pedimcie on antenules long 

 and massive, with last 2 joints extending beyond the rostrum; antenna, with basal scale 

 and with flagellum longer than those of antennule; 7 pairs of legs, uniform; tail seg- 

 ments with deep epimera, all directed downwards and back\vards; first 2 pairs of 

 appendages of tail in the males very massive and specially modified for sexual pur- 

 poses; telson as long as the uropods, and furnished near its ends with 2 articulated 

 plates, one on each side. 



The author describes A nthracophausia dunsiana sp. nov. with var. nhrsa and A. 

 traqnairi Peach. 



Genus Crangopsis Salter, 1863; svn. the Palajocrangon and Uronectes Salter, 1861. 

 Crangopsis socialis Salter, C. r/iodesi sp. nov., C. magna sp. nov., C. couttsi sp. nov., 

 C. rohusta sp. nov., C. eskdalensis Peach (originally described under tlie genus Palso- 

 crangon in 1882), C. elegans Peach (described in 1883 under the genus PaL-cocrangon), 

 and C. hastata sp. nov., also C. minuta nov. 



