CAPIIELLID.K. 349 



Fam. 2. CAPRELLIDiE. 



Picon nulimcntiuy. Oral appendages normally developed. Coxae 

 fused \Wth the pereion. 13ranchial sacs attached to the first two or 

 three segments of the pereion. 



1. PROTO. 



Proto, Leach, Linn. Trans, xi. p. •j{i2, 1814. 



Desmarvst, Consul, siir les Crmt. p. 27G. 

 Leptoniera, LatrciUc. 



Dvsnuirest, Co/i.sid. sur les Crust, p. 275. 



Gaeriii, Iconot/r. Crust, pi. 28. f. 3. 



Krm/er, Nat. Tidsh: p. 496, 1842-43. 



Ediranh, Hist, dcs Crust, iii. p. 109. 

 Naiipiidia, LatrciUc, litipu- Auiiti. de Cucier, 2* ^dit. iv. p. 128 ; Cours 

 (TEntoni. p. ;393 {Edwards). 



Body cylindrical. Cephalon confluent with the first segment of the 

 pereion. Pleon rudimentary. Mandibles having an appendage. 

 Gnathopoda subchelate, lla^■ing branchiae attached to the second 

 pair. Pereiopoda all developed ; branchice on the two anterior 

 paii-s : two posterior pairs subcqual ; dactyla capable of being 

 impinged against the anterior margin of the propoda. Two an- 

 terior paii's of pleopoda rudimentaiy, biarticulate, in the male 

 stylilbrm ; rest obsolete. 



1. Proto pedata. (Plate LV. fig. 1.) B.M. 



Squilla pedata, 3Iidtcr, Zoul. Ban. iii. pi. 101. f. 1, 2. 



Cancer ( Gammariis) pedata, Montagu, Linn. Trans, xi. p. G. pi. 2. f. G. 



Proto pedata, Leach, Linn. Trans, xi. p. 3G2. 



Proton pedata, Desmarest, Consid. sur les Crust, p. 276. 



Leptomera pedata, Guerin, Iconoyr. Crust, pi. 28. 



Edwards, Hist, dcs Crust, iii. p. 10i3. 



Desmarest, Consid. sur les Crust, p. 278. pi. 46. f. 3. 



Animal smooth, linear. Superior antennae about half the length of 

 the animal ; flagellum as long as t?-e last two joints of the pe- 

 duncle. Inferior antenna) half the length of the superior ; flagel- 

 lum about half the length of thepcduncle. First pair of g-natho- 

 poda having the propodos triangular, broadest near the caii)al joint, 

 tapering to the extremity; palm armed wdth fine denticles or 

 spines, and defined by a prominent sharp process that carries two 

 strong spines. Second pair of gnathopoda ha\ang the propodos 

 four times as large as that of the first, long-ovate ; palm waved, 

 armed -with a few denticles tipped with spines, and defined by a 

 process tipped with a strong spine. First pair of pereiopoda 

 slender, having the propodos posteriorly armed with four radiating 

 spines ; second pair lilce the fust ; third pair reversed, rudimentary ; 



