177 
Explanation of the Plates. 
PI. III. 
Ophiocreas longipes n. sp. Natural size. 
PI. IV. 
Fig. 1. Gorgonocephalus chilensis Phil., var. nov ae-z elan diae n. var. 
— 2. Astrotoma Waitei Benham. Type-specimen. 
— 3. Astroceras elegans Bell; two specimens with arms interlaced; one 
from the oral, the other from the aboral side. 
— 4—5. Ophiocreas constrictum Farquhar, young specimen; 4. from the 
oral, 5. from the aboral side. (The specimen named as Ophiomyxa 
brevirima in Bell’s Report). 
— 6—7. Astrotoma Benhami Bell; 6. oral side; 7. aboral side. 
— 8—9. Astroporpa Wilsoni Bell; 8 oral side; 9. aboral side. 
All figures natural size. 
26-6-1924. 
Vidensk. Medd. fra Dansk naturh. Foren. Bd. 77. 
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