172 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 20 



PLATE 9 



Fi^. 47. .Ircualula deinissa (Dilhvyn) 1817. Newport Bay, Cali- 

 fornia. (Mr. L. C. Bessom coll.) Length: 90 mm. 



Fig. 48. Gregariclla coarctata (Carpenter) 1856. Laguna de Scam- 

 mon, Baja California. Length: 17 mm. 



Fig. 49. Adula falcata (Gould) 1851. Point Fermin, California. 

 Length : 42.4 mm. 



Fig. 50. Adula califoniicnsis (Philippi) 1847. Coos Bay, Oregon. 

 Length: 43.2 mm. 



Fig. 51. Adula diegensis (Dall) 1911. Bodega Lagoon, Sonoma 

 County, California. Length: 25 mm. 



Fig. 52. Botula fusca (Gmelin) 1791. North of Isla Tortuga, 

 A'enezuela. Length: 13 mm. 



