HIIlXdSToM.K LYCHXulUH/ \. 



I -,7.'i 



sensory pit with dendritic furrows over its floor. 96 (8X12) lappets, 10 liluntlv pointed velar 

 lappets between 2 somewhat smaller ocular lappets in each octant. Arm-disk 4<S mm. wide 

 where it arises from the suhumhrella, hut onlv 40 mm. wide at the level of origin of the X mouth- 

 arms. The 4 subgenital ostia (sgo) are crescent-shaped and each is covered above by a 

 gelatinous flap. They are only half as wide as the perradial columns between them. Kadi 

 perradial column exhibits a niche, n, figs. 413 and 414, on its outer side which hears a super- 

 ficial resemblance to the subgenital ostia. The subgenital cavity is unitary. t 



The 8 mouth-arms are laterally compressed and 36 mm. long, the lower ^-winged parts ol 

 the arms being 24 long and 2} wide. Numerous simple, laterally flattened, tapering filaments 

 arise from between the frilled mouths on all sides of the mouth-arms and fioin the arm-disk. 

 The filaments upon the arm-disk are about 30 mm. long, but those from the outer pans ot the 

 mouth-arms are shorter. 



The central stomach is cruciform and about 40 mm. wide. 16 simple radial-canals, S 

 rhopalar and 8 adradial. These are all put into intercommunication with a wide ring-canal 

 which is at some distance inward from the margin. The adradial canals terminate in this 

 ring-canal, but the rhopalar canals extend onward to the sense-organs. On its inner side the 



4'3- 



4'4- 



Vi<;. m.T.vrlinorhisakartsclii. Drawn by the author. A, Oral view. B, sense-organ seen from exumbrrlh tide. 

 l-'n;. 414. Lwhnorhiza barlschi, sp. nov. Natural size, drawn by the author, sgo, subgenital ostium. n, niche in i 

 column of arm-Jisk. 



ring-canal gives rise to ift blindly ending networks of vessels which do not connect either with 

 the stomach or with the radial-canals. On its outer side a fine-meshed network of vessels arises 

 from the ring-canal and fuses with the rhopalar vessels. Around the margin at the bases of 

 the lappets there is a marginal ring-canal of fine caliber. There is a unitary uninterrupted 

 system of ring-muscles in the marginal zone of the subumbrella. but there are no radial 

 muscles. 



The gelatinous substance is translucent and milky in formalin, and the gonads, mouth- 

 frills, and canal-system are milk\ -\ ellow. I am told by Dr. Bartsch that these colors in tin- 

 living animal were nearly as they appear in the formalin specimen. 



\ single specimen was found bv the U. S. Fisheries Bureau steam, i. ll'-.itross, at Jolo 

 Anchorage, Philippine Islands, on February 13, 1908 (text-figs. 413 and 414' 



