1378 CRUSTACEA. 



Subfam. 2. CHONDRACANTHINJE.— Antennae anticae graciles vel 

 perbreves. Pedes thoracis postici breviter et crassS ancorales. 



Gr. Chondracanthus, De la Roche; Lernanthropus, Blainville; Lernentoma 

 Blainville; Cycnus, Edw. 



Subfam. 3. CLAVELLINiE. — Antennas anticae obsoletae. Pedes 

 thoracis postici crassi et breves. 

 Gr. Cla vella, Oken ; Tucca, Kr. ; Peniculus, Nordmann ; iETHON, Kr. 



Fam. II. ANCORELLIDJE.* 



Antennae posticae feminarum ad apicem et saepe per latera connatae et 

 disco ancorali confectae. 



Subfam. 1. ANCOBELLINiE. — Antennae posticae feminarum per 

 latera usque ad basin connatae. 

 G-. Ancorella, Cuvier. 



Subfam. 2. LERNiEOPODINiE. — Antennae posticae feminarum 

 versus apicem connatae tantum. 



Gr. Lern>eopoda, Kr.; Brachiella, Cuvier; Achtheres, Nordmann; Tra- 

 CHELIASTES, Nordmann ; Basanistes, Nordmann. 



Fam. III. PENELLID^E.f 



Pedes obsoleti. Caput 2-4 appendicibus brevibus non articulatis 

 munitum. 



Subfam. 1. PENELLINiE. — Pedes pauci rudimentarii vix obsoleti. 

 Gr. Penella, Cuvier; Lerneonema, Edw. 



Subfam. 2. LERNEOCERIN^.— Pedes omnino obsoleti. 



Gr. Lerneocera, Blainville; Lernjea, Linn. 



* Lernasopodiens, Edw., Crust., iii. 505 ; Anchoracarpacea, W. Baird, Brit. Ento- 

 most., 331; Ancorettidse is a more euphonious and more suggestive word than the pre- 

 ceding. 



f Lerneoctriens, Edw., Crust., iii. 521 ; Anchoraceracea, W. Baird, Brit. Entomost., 

 338. The name above adopted is that proposed by Burmeister, the last vowel only 

 being changed. 



