MEM. M, C. Z., IX. No. 3. — ACALEPHS, POLYPS. ^7, 



19. The same larva seen at right angles to the plane of the last. ga. Stomach, ga. lo. sac-like gastral appendage. 



n c. Nerve center, sph. Funnel, sch. Tentacnlar sheath, la. Tentacle, ta. sac. Tentacular sac. 



20. Larva of Ocijroe crystallina Rang, from Fewkes, Notes on Acalephs from the Tortngas, with a Description of 



New Genera and Species. Bull. Mas. Comp. Zool. Vol. IX. No. 7. PI. 1. fig. 2. adr. tb. Adradial 

 tube. «!«)•.,! aur.'^ Auricles, cx.l.tb. K.vternal lateral tube. ga. Stomach, ya. tb. Gastiic tube. 

 i.l.tb. Internal lateral tube. lb. Lobe of the body out-stretched. l.ma. Muscles. ocy. Otocyst. 

 or. Mouth, sph. tb. Tube e.\tending from the funnel to the otocyst. rj. Vibratile flapper. 



