— 257 — 



plicatis, longitudinaliter liratis, liris plerumque alter- 

 nis rnajoribus; apertura ovato-elongata, cum partibus 

 adjacentibus violaceo-fusca, columella leviter sinuata, 

 labro tenui, intus minute crenulato, faucibus liratis, 

 liris ad circ. 2 millim. ante labrum evanescentibus; 

 canali brevi, leviter recurvo. Long. spec. max. 21, 

 lat. 9'/ 2 , aperturae long. 9V 2 , apert. lat. 4 1 / 2 millim., 

 angulus apicalis 40°. 



Patria: Sinus Hakodate insula e Jesso. 



IO. Tritonium (Buccinum) pericochlion m. 



Testa elongata, turrita, alba sub epidermide lute- 

 scente-seu rufescente-castanea; anfractibus 8 — 9, 

 piano -convexis, ad suturam late et profunde canali- 

 culars, longitudinaliter lineis parcis elevatiusculis ob- 

 solete cinctis; basi spiraliter striata; apertura ovali, 

 superne angulata, labro simplici, obtuso, labio inter- 

 dum obsolete striato, superne callo munito, columella 

 leviter arcuata, canali perbrevi, faucibus lutescenti- 

 bus. Long, specim. max. 104, lat. 47, aperturae 

 long. 46, apert. lat. 28 millim., angulus apicalis 40°. 



Patria: Sinus Hakodate insulae Jesso. 



11. \ of uta pusilla m. 



Testa parva, fusiformi, lutescente-castanea, prope 

 suturam linea albo et rufo articulata cincta, caeterum 

 rufo minute maculata, maculis in series radiales in- 

 terruptas dispositis; spira exserta, apice obtusiusculo; 

 anfractibus 6, planulatis, longitudinaliter sulcatis; 

 apertura elongata, lutescente-castanea, labro simplici, 

 recto, columella recta, biplicata, plicis albis, superiore 



Mélanges biologiques. IV. 33 



