PHYLLOBRANCHIA. TURBONID®. 199 
Genus 90. GLAUCOTHOE. 
Turbo Auctorum. 
Testa spiralitér et alté elevata. dpexmammillatus. Sutura 
profunda. Apertura ovata, ad dextram subacuminata. Peri- 
trema anticé et lateralitér crassum, postice nullum. 
Animal incognitum. 
The shell spirally and highly elevated; its apex mammil- 
lated ; its suture deep ; its aperture oval, somewhat acuminated 
at the left; its peritreme before and laterally thick, behind 
wanting. 
Animal unknown. 
GLAUCOTHOE MONTAGUANA. 
G. testa flavescente, leevi, nitida, pellucida; anfractibus septem, 
inflatis, longitudinalitér striolatis ; sutura valdé distincta. 
Turbo subtruncatus, Mont. Test. Brit. 300.t. x. f.1; M.& R. 
Trans. Linn. Soc. vii. 178; Flem. Edinb. Encycl. vu. 76 ; 
Dill. Dese. Cat. 783; Turt. Conch. Dict. 218. 
Habitat in mari Danmoniz et Cornubiz, mari profundo haud 
infrequens, in Caledonize mari rarissimé. Mus. Montagu in 
Mus. Brit. Alt. + unc. 
Shell yellowish, smooth, shining, transparent, with seven in- 
flated whorls striolated longitudinally ; its suture very distinct. 
Height one-fifth of an inch. 
Inhabits the deep sea on the coasts of Devon and Cornwall, 
not unfrequently, but is very rare in the Scottish seas. 
Genus 91. Eupora. 
Turbo ductorum. 
Testa crassa, elevata. Apex acutus. Sutura profunda. 
Aperturarotunda. Peritremanullum. Operculum calcareum. 
Animal incognitum. 
The shell thick, elevated ; its apex acute; its suture deep ; 
its aperture round; no peritreme ; its operculum calcareous. 
Animal unknown. 
