Botany and Zoology. 123 
Fam. 3. PaLzmontpx.—Mandibule crasse, sive palpigere nes non 
palpigerze, profunde bipartite, processu apicali oblongo, angus 
Subfam. 1. ALPHEINE. Sr tai | Imi ing rs ssa 2di_ fili- 
Subfam. 2. Panparinx.—Pedes ai gracillimi; non chelati; 2di 
filiformes, carpo annulato.—Genus : Pandalus, Leach 
Subfam. 3. Panzmoninez.—Pedes 2di limis Ctiséigtes, 4 antici 
chelati, carpis nullis annulatis. Pedes nulli palpigeri. Squama 
antennarum externarum non acuminata et extus non spinigera. 
—Genera mandibulis non palpigeris: Pontonia, Latr., CEdi- 
pus, D., Harpilius, D., Anchistia, D.; mandibulis palpigeris, 
Palemonella, D., Paleemon,t Fabr. se avers Latr., Cry- 
phiops, D. [Cujus sedis genus Typton, 
Subfam. 4. OpLopuorinz.—Pedes 2di piaisiotes: ‘Chelati, lmi sive 
didactyli sive vergifor mes. Squama antennarum externarum 
Reality extus spinis armata.—GernEra: Oplophorus, Edw., 
egul 
2. Mazillipedes 2di tenuiter pediformes. 
Fam. 4. Pastpnxipe. Mek: [mi 2dique chelati. Mandibulz uti in 
_ Atyidis.--Genus : Pasip 
Subtribus IV. PENZEIDEA, vel MACROURA INFERIORA. 
Pedes 3tii majores, 2dis similes ; interdum toti debiles et vergiformes, 
Carapax uti in Carideis. 
Fam. 1. Pexzim, —Pedes 3tii bene didactyli, sisocig 5 iy: 
mandibularis latus—-Gengra: Sicyonia, Edw., Penzus, Aris- 
tao, Duvernoy, incluso, ) Stenopus, Lair., Spongicola, eH 
Fam. 2. Sercestipz.——Pedes 3tii Qdique. Imique debiies, obsolete 
chelati vel non chelati. Palpus mandibularis eg PO ——GENE 
Pa aorgeates, Edw., Acetes, Edw., et forsan. Euphem 
am. 3. Evcoripa.—Pedes 3tii 2dique cudnaema non chelati; Imi 
maxillipedesque externi eque monodactyli et subprehensiles, digito 
in articulum penultimum claudente. Palpus mandibularis gracilis.— 
ENUS: Eucopia, Dana. 
New Genera described. 
Tryp2a.—Pedibus Callianasse affinis, Flagella antennarum in- 
‘ernaram articulo precedente breviora, antennis supediformibus. 
ee 
tits on iy Hippo! pt, aoirding to 725 3) Coa ge WEF sa ge re panaesy 
ton win Desm Bsmarest, (Ann alec Bee. ge ib, . ray tn ‘to be iden- 
a 
