PHYLLOPODA. 



1305 



Subfam. 1. CHIROCEPHALIN^.-— Corpus gracile. Abdomen Ion- 

 gum et multiarticulatum. Antennae 2dae breves sed percrassse, 

 maris prehensiles. 



Gr. 1. Chirocephaltjs, Prevost* — Abdomen 9-articulatum, appendicibus duabus 

 oblongis confectum. Antennae lmae tenues; 2dae maris varie appendiculatae. 

 Pedes foliacei viginti duo. 



G-. 2. Artemia, Leach.f — Abdomen 6-articulatum, extremitate breviter bilobatae. 

 Pedes foliacei viginti duo. Antennae 2dae maris non appendiculatae. 



Subfam. 2. EULIMENIN^E.— Abdomen fere obsoletum. Antennse 

 quatuor fere filiformes. 



Gr. 1. Eulimene, Latr. — Pedes foliacei viginti duo. 



Fam. II. NEBALIAD^.J 



Cephalothorax testa fere bivalvi bene tectus. Abdomen non inflexum, 

 pauci-annulatum. Pedes plures posteriores biremes, ac in Cyclo- 

 poideis, reliqui anteriores foliacei, branchiales. 



G-. Nebalia, Leach. — Antennae quatuor. Pedes sexdecim anteriores foliacei instar 

 branchiarum, octo posteriores biremes. Abdomen lamellis duabus confectum. 



Tribus II. APODOIDEA. 

 Fam. I. APODID,E.§ 



Oculi duo compositi. Appendices duae caudales longaa, rigid& seti- 

 formes. 



Gr. 1. Apus, Schoeffer. — Pedes duo antici teretes, ramosi, ramis multiarticulatis, 

 reliqui foliacei branchiales, quoad pares numero sexaginta. Antennae duae breves, 

 simplices. 



* Prevost, Jour, de Phys., lvii. 37, 1803; Ino, Schrank, Faun. Boic., iii. 249, 1803 ; 

 Branchipus? Schoeffer, Elementa Entom. 



| Leach, Diet. Sc. Nat., xiv. ; Artemisus, Lamk., Hist. An. s. Vert. [2nd Edit.], v. 

 199; Artemis, Thompson, Zool. Res., 104. 



J Apusiens (in part), Edwards, Crust., iii. 353; Nebaliadx, Baird, Brit. Ent., 31. 



§ Baird, Brit. Ent. 18 ; Apusiens (in part) Edwards, Crust, iii. 353. 



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