or 
CATALOGUE OF SHELLS, 
SUBORDO II ECTOPHTHALMA. 
Fam. I.—CycLosToMACE&. 
Sub-Fam, 1,—Cyc.otea. 
Cyclotus Guilding. 
Opisthophorus Benson. 
Pterocyclos Benson. 
Alyceus Gray. 
Sub-Fam. I1.—CycLopHorea, 
Craspedopoma Pfeiffer. 
Aulopoma Troschel. 
Cyclophorus Montfort. 
Leptopoma Pfr. 
Dermatocera H. et A. Adams. 
Sub-Fam. II1.—Puringa. 
Megalomastoma Guilding. 
Cataulus Pfeiffer. 
Rhaphaulus Pfeiffer. 
Streptaulus Benson. 
Pupinella Gray. 
Pupina Vignard. 
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