~1<) BRITISH KNTO.MOSTUAf'A. 





LEGION III P/ECILOPOD A. 



I'ITILOPODA. I., i faille, Cuv. Regne An., iv. 

 Desmarcst, Cons. gen. Crust. 



Zw//, Diet. Sc. Nat., \i\. .rJI. 



ROH.I-. Crust, dc la Mcditerr. 



Buif<l, Trims. Berw. Nat. Club, ii. 

 TIIKCATA, Lnf,riltr, Hist. Nat. Crust., iv; Gen. Crust, et Insect., ii. 



Leach, Edin. Encyclop., art. Crustaceology. 

 BHANCHIOPODES PARASITES, Lamafck, An. s. Vert., edit. 2d, v. 200. 

 CRUSTACKS SUCEURS (_/*//-.v i, I/. 1'jlicanh, Hist. Nat. Crust., iii. 

 PAKASITA, iV/,w/.v/V/-, licit, zur Naturg. der Raukenfusscn, p. 54. 

 CoBMOSTOMATAj />/',.>, Proc. Am. Acud. Arts and Sc., IS ID, p. 53. 



. Mouth not possessed of organs fitted for 

 mastication, having instead an apparatus adapted for 

 sucking. I'Vt't, parti}' formed for walking or prehension, 

 and part branchiferous, and fitted for swimming. Body, 

 in the greater number, inclosed almost totally within a 

 buckler, consisting generally of one piece, occasionally of 

 two. Parasitical upon fishes, &c. 



ORDER SIPHONOSTOMA.f 



SIPIIONOSTOMA, ].<ili-'illi', Cm. Hogne Aniin., iv. 



M. Edicni-tk, 1 1 ist . Nat. Crust., iii. 



l\<ni.r, Crust, dc la ^1 edit err. 



/!</>',</, Trans. Benv. Nat. Chili, ii. 

 PKKCMOM I;A, latreilie, Ilisi. Xat. Crust., iv; Gen. Crust. et Ins., ii. 



Lear//, Kdin. Kneu-ln])., art. Crustaceolog v . 

 CALIGACEA, /),/,/>/, Proc. Am. Acad. Arts and Sc., 1M'.), p. 53. 



Character. Moiilli furnished with a siphon, which 

 possesses stylifonn m;mdilles. Thorax composed of 

 sc\iTiil distinct rings, and having three or four pairs of 

 feet. Knot-jaws Avrll developed. 



M. Edwards divides the order Siphonostoma into two 

 families, the I'dtdci-pliiilcs, and the Pachyvjiluilcs. 



The Peltocephalea are distinguished by their having 



I'Vdin -IIIKI\OC, varion.s; ami trove, Foot. 



' I rODl TI,;,,.,,.. a lulio: and aro/m, a inmitll. 



