68 SAN DIEGO SOCIETY OF NATURAL HISTORY 
PEACH (B. N.)—Continued 
three-edged and denticulated; hinder part of carapace not produced into backwardly 
directed spines; caudal segments wide, single-lobed epimera; eyes large with papilla 
issuing from the pedicle; antennular peduncle long, slender, the flagella being short 
and of nearly equal 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: 
Tealliocaris loudonensis sp. nov., T. woodwardi, Etheridge, Jr.; described under the 
genus Anthrapalaemon in 1877; also a variety Tealliocaris etheridgei Peach (orig- 
inally described under the genus Anthrapalaemon in 1882) with the var. lata Peach, 
T. robusta sp. nov. and var., T. tarrasiana sp. noy., T, formosa Peach (originally de- 
scribed as an Anthrapalaemon in 1882). 
Genus Pseudo-Galathea Peach, 1883: 
P. macconochiei Etheridge, Jr. (described in 1879 as an Anthrapalaemon), P. rotuda 
Peach, P. ornatissima Peach (described in 1882 as Anthrapalaemon ornatissimus.) 
Genus Anthrapalaemon Salter, 1861: 
The author restricts this generic name to such applanted forms as the type 4. gros- 
sarti Salter. Anthrapalaemon russellianus Salter (originally described under Palaeo- 
carabus in 1863), also var. spinulosus and var. noy. 
Family Perimecturus gen. nov.: 
The characteristic feature of this genus is the enormous development of the tail. 
The author includes under this genus: P. parki and var. duplicicarinatus, P. stocki 
sp. nov., P. elegans sp. nov., P. communis sp. nov., P. ensifer sp. noy., P. pattoni Peach 
(Palaesquilla pattoni Peach 1888). 
Family Anaspidae: 
Genus Palaeocaris Meek & Worthen, 1868. 
Palacocaris scotica Peach, P. landshoroughti sp. nov. 
Family Mysidae: 
Genus Palaemysis gen. nov. 
Trunk 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 the genus: 
Palaemysis dunlopi sp. nov., P. couttsi sp. nov. and P. tenuis sp. nov. 
Family Euphausidae: 
Genus Anthracophausia gen. nov. 
Elongated laterally compressed, prawn-like forms, with thin, smooth chitinous  in- 
teguments; carapace one-third the length of the body; peduncle 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 backwards; 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 Anthracophausia dunsiana sp. noy. with var. obesa and A, 
traquairi Peach. 
Genus Crangopsis Salter, 1863; syn. the Palwocrangon and Uronectes Salter, 1861. 
Crangopsis socialis Salter, C. rhodesi sp. nov., C. magna sp. nov., C. couttsi sp. nov., 
G. robusta sp. nov., C. eskdalensis Peach (originally described under the genus Palxo- 
crangon in 1882), C. elegans Peach (described in 1883 under the genus Palxocrangon), 
and C’, hastata sp. nov., also C. minuta nov. 
