Benham. — Neio Zealand CtenojJhores, J 43 



stated that the tentacle-base is situated in the neighbourhood 

 of the stomodaeum. E. californiensis has been described by 

 Torrey,* whose account of it I have been unable to obtain. It 

 was captured off San Diego, on the coast of California. It is 

 possible that our New Zealand species is identical with it. 



In addition, there is an earlier species, E. elongata, of Quoy 

 and Gaimard,t which was placed by them in the genus Beroe, 

 then by Lesson {loc. cit., p. 103) in the genus Janira (as J. quoyi), 

 but has been by Chun recognised as a Euplokamis, who re- 

 suscitated the original specific name. 



This species was taken in the Atlantic, off the coast of Africa ; 

 in it the tentacle-base is more than half the length of the body. 



From this species, also, mine is evidently quite distinct. 



EXPLANATION OF PLATE VII. 



(Figs. 1-4 i-efer to Beroe shakespeari ; figs. 5-7 refer to Euplokamis aus- 



fralis. ) 



Fig. L Beroe shakespeari, natural size of preserved specimen : a, canals 

 containing gonads ; b, costse ; c, mouth. The apex is retracted. 

 Fig. 2. The same, view of apical pole (natural size), showing the compres- 

 sion of the animal, and the apical approximation of the sii fa- 

 sagittal costse (d). 



Fig. 3. A younger individual (natural size). 



Fig. 4. A very young specimen (enlarged), showing short costse, wide 

 canals, without the caecal outgrowths. 



Fig. 5. Euplokamis australis, adult individual (x 2^), showing, by trans- 

 parency, the internal anatomy. The tentacles are partially 

 retracted. 



Fig. 6. A young specimen ( x 4). The costse are wide ; the tentacles, 

 almost fully ]irotruded, issue much nearer the apex than in the 

 adult. • 



Fig. 7. A portion of a young one bisected to show the great length of the 

 tentacle-sac at this stage as compared with adult (perhap.s due 

 to differences of preservation), h, the tentacle-base. 



* Torrey, Univ. California Publications, 1904, vol. ii, p. 46. 

 t Quoy and Gaimard, " Vov. Astrolabe," iv, p. 37, pi. vi, Mollusques ; 

 and Atlas, pi. 90, figs. 9-14. 



