114 AISTNUAL REPORT. 



SUB-OBDER PHYLLOPODA, (sig. Leaf-footed.) 



Bibliography. — Phyllopoda, Latreille, Hist. Nat. Crust., IV., 130, 1802. 



Leach, Diet. Sc. Nat. XIV., art. Entomost. 



M. Edwards, Hist. Nat. Crust., iii., 351. 



Desmarest, Consid. Gen. Crust., 357. 



J. E. Gray, Synops. Brit. Mus., 1842. 



Burmeister, Organiz. of Trilobites, 34. 



Lucas, Explor. Sc. de I'Algerie, Crust., 81. 



Phyllopa, Latreille, Cuv. R^gne Anim., IV., 171. 



Branchiopodes Lameliipedes and Branchiopodes, Geans (in part), 

 Lamarck, Hist. An. S. Vert., V. 

 Characters. — Number of abnormal feet greatly multiplied. 



TRIBE I. ARTEMIOIDEA. 



Family 1. — Artemiodse (Branchipodidae.) 

 Family 1.— Nebaliadae. 



TRIBE II. APODOIDEA. 



Family 1. — Apodidae. 



TRIBE III. LIMNADIOIDEA. 



Family 1. — Limnioidee (Estheridse. '?) 



ARTEMIOIDEA. 



Bibliography . — Branchipiens, Edwards. 



Brancliiopoda, Leuch. 



Branchipodidse, Baird. 

 Characters. — Cephalothorax many-jointsd, either covered by the carapace or 



not. Appendages of the cephalothorax many, fohaceous and 



branchiform. Eyes peduncled. 

 Artemioidea includes Chirocephalus , (Branchipus) Eulimene, Artemia, Bran- 

 chinecta, Euhranchipus, Streptocephalus, Nehalia, etc. These agree in having 

 peduncled eyes, divided posterior thoracic legs and a straight abdomen termi- 

 nated by spines or plates. This tribe is quite naturally divided into the two 

 families of which Nebalia constitutes the one, while the^remaining genera fall 

 quite readily into the other. 



FAMILY Arte mi ads. 



Bibliography. — Branchipoda, Leach 



Branchipiens, Edivards. 



BranchipidaB, Burmeister, 



BranchipUsidae, Baird, 1845. 



Branchipodidae, Baird, later. 



Most modern authors. 



Characters. — Cephalothorax many-articulate as far as the head, but nowhere 



covering the body. Feet fQliaceous and numerous. 

 Dana subdivides this family, forming of the genus Eulimene, which has twenty- 

 two branchial feet, the sub-^ family Eulimeninw, leaving Chirocephalus , Artemia, 

 etc., as the 



