CYPROIDEA. 1281 



Gr. 2. Candona, Baird* — Antennae 2dae ad articuli 3tii apicem vix setigerae. 

 Species gressorise. 



Subfam. 2. CYTHERIN^E.f— -Pedes numero sex, toti tenues, con- 

 similes, pediformes. 



Gr. 1. Cythere, Muller.% — Testa tenuis, laevis. Cauda previa. 

 Gr. 2. Cythereis, T. R. Jones.% — Testa rugulis vel tuberculis ornata. [Animal 

 ignoturn. An hujus sedis.] 



Fam. II. HALOCYPRIDiE. 



Antennae 2dae basi crassissimo, articulo 2do cylindrico, apiceque 5-7- 

 articulato elongate setigero, instructae. Pedes mandibulars bene 

 pediformes, articulo lmo (mandibula vera) juxta ejus apicem arti- 

 culum 2dum (lmum palpi) gerente, instar pedis veri, processu arti- 

 culi lmi mandibulari saepe cum alio processu articuli 2di pro man- 

 dibulae usu conjuncto. Oculi sive in pigmento unico mediano con- 

 juncti, sive pigmentis duobus et remotis. 



Subfam. 1. CYPRIDININ^E.|| — Frons saepe rostratus. Maxillae 

 numero sex et pedes duo tantum. 



G-. 1. Cypridina, Edwards. — Pedes duo flexiles, vermiformes, articulis distinctis 



nullis. Oculi duo remoti, compositi. 



. 



Subfam. 2. HALOCYPRINiE. — Maxillae numero quatuor, et pedes 

 quatuor; maxillae 2dae palpo pediformi instructae. Pedes mandi- 

 bulars crassae, apice paulo setigerae. Spiculum inter antennas lmas 

 exsertile. Testa clausa antice incisa. 



G-. 1. Conchcecia, Dana.^ — Oblonga. Pedes mandibulares articulis tribus ultiniis 



inflexi, articulo 2do multum oblongo. 

 G. 2. Halocypris, Dana. — Curta. Pedes maadibulares non inflexi, articulo 2do 



parce oblongo. 



* Trans. Berw. Nat. Club., ii. 152, 1845 j Ann. Mag. Nat. Hist., 1846, xvii. 415 ; 

 Brit. Entomost., 159. 



f Oytheridse, Baird, Brit. Entomost., 162. 



| Cytherina, Lamk., Romer, etc.; Cypridina, Bosquet, Entomost. de la Craie de 

 Maestricht; Bairdia, M'Coy. 



§ T. R. Jones, Entomost. of Cretaceous Formation, 1849 ; Cytherina, Rbmer, Jahrb, 

 &c, f. Min., 1838. 



|| Cypridinadse, Baird, Brit. Entomost., 176. 



% Dana, Proc. Amer. Acad. Sci., ii. 51, 1849. Asterope? Philippi, Archiv f. 



321 



