Hovrz, — Cephalopoda, 
PLATE 6. 
Figs. 1-7. Loligo diomedeae, sp. n. 
1, 2. Sucker from the third right arm; x 60. 
9. A large tentacular sucker; X 35, 
4. Portion of the rim surrounding the horny ring; X 170. 
5. A lateral tentacular sucker; x 60, 
6. Portion of the horny ring and surrounding rim; X 170. 
7. A sucker from the outer lip; X 46. 
Figs. 8-11. Mastigoteuthis dentata, sp. n. 
8. Sucker from the middle of the ventral arm; X 55. 
9. Portion of the horny ring and adjoining rim, indicated by the dotted 
lines in Fig. 8; X 170. 
10. Female specimen with the mantle cavity laid open; natural size. 
11. Male specimen with the mantle cavity laid open; X 3. 
The last two figures from drawings by Dr. J. II. Ashworth. 
Figs. 12, 18. T'aontus, sp. 
12. Portion of the stalk of the tentacle showing the rudimentary 
suckers; X 35. 
13. Posterior extremity of the mantle and pen; X 15. 
