PLATE 41 
Fig. la. Columbella gausapata Gould. X 2. Altitude 9 mm. 
Station D 5790. 
Fig. 1b. Columbella gausapata Gould. X 2. 
Fig. 2a. Turris incisa Carpenter. X 2. Altitude 25.5 mm. Sta- 
tion D5791. Enlarged to show detail. 
Fig. 2b. Turris incisa Carpenter. X 1. 
Fig. 3a. Turris perversa (Gabb). X 154. Altitude 19 mm. Sta- 
tion D 5785.* 
Fig. 8b. Turris perversa (Gabb). X 134. 
Fig. 4a. Amphissa corrugata (Reeve). X 2. Altitude 12 mm. 
Farallon Islands, University of California collection. 
Fig. 4b- Amphissa corrugata (Reeve). X 2. 
Fig. 5a. Bittium subplanulatum Bartsch. X 14%. Altitude 6 mm. 
Station D5788.* Tip of spire broken. 
Fig. 5b. Bittium subplanulatum Bartsch. X 1%. 
Fig. 6. <Actaeon puncteoelatus (Carpenter). X 1%. Altitude 
8mm. Station D5791.* 
Fig. 7a. Volvula cylindrica Carpenter. X 2. Altitude 8.7 mm. 
Survey collection. 
Fig. 7b. Volvula cylindrica Carpenter. X 2. 
Fig. 8a. Acteocina cerealis (Gould). X 2. Altitude 7.8 mm. 
Survey collection. 
Fig. 8b. Acteocina cerealis (Gould). X 2. 
[414] 
