148 Proceedings of the Royal Irish Academy. 



in form. Tentacles in more than two cycles, the inner ones at least provided 

 with basal swellings of mesogloea on the aboral side ; but these swellings 

 are very variable, and maybe almost suppressed. Longitudinal muscles of 

 tentacles ectodermal. Ketractors diffuse. 



19. A. richardi Marion. 



i i, , ii'uf is richardi Marion. 



(PL XIV, figs. 3 & 9 : PL XV. a B 10, 11 : PI. XVI, figs. 29, 31-40.) 



I. Helga, l; T. ii, 1. D. June 18, 1901. LXXI1I a. 40 miles N.W. 

 by X. of Cleggan Head. 105 fathoms. 11 specimens. Dredge. 



2 Helga, RT. ii, 1. D. (See 1.) 19 specimens. 



3. Helga, RT.iii, l.D. July 8, 1901. LXXXV1II a. 40 miles W.N.W. 

 of Cleggan Head. Dredge. 78 fathoms. 3 specimens. 



4. Helga, l;.T. v. 1. 1 >. A _. 2, 1901. 'XIV,.. 10 miles S.W. of 

 Cleggan Head. 62$ fathoms. Dredge. 1 specimen. 



Hi Iga, B.T. iii. ". I>. Sept 12, L901. CXXXIa. 50 miles W.N.W. 

 of Cleggan Head. 1 in fathoms. 73 specimens. 



6. Helga, R.T. ii, 1. D. Sept. 13, 1901. CXXXlIIa. 40 miles N.W. 

 by N. ol . Hi id. 100 fathoms. Di specimens. 



7. R.T. iii, 0. July L3, 1903. 50 miles W.N.W. of Cleggan Head. 

 120 fathoms. Mosquito-net "it trawl. 2 specimens. 



S.R44. Aug. 17 W.N.W. of Cleggan Head. U6J 



fathoms. TrawL 1 -j imen. 



9. S.R 44. 7 imens. 



10. S B. 6 X-.v. 11. L903. 50 miles W.N.W I __ Bead Lat. 



j W I I 30'. 126 fathoms. Dredge. L3 specimens. 



II. W r . :.. March 23, 1904 S.W. hy S, of Great Skellig. 

 GO-6." fathoma Trawl. I specimen. 



12. SR107. M ,1904. 50 miles W.N.W. of Cleggan Head. 1 .>t 

 N. 53 g. \V. ' 121 fathoms. 48 crushed and battered 

 specimens. 



13. S.R 14',. An- 24. 1904. 80 miles W.X.W. of Slyne Head. Lat. 

 N.53 24'; Long. W. 12 29'. 1 si fathoms. D . 7 specimens. 



14. S.R 153. Nov. I. 1904. 7" miles 8.W. J W I net. Lat. N. 



j. W. 10 31'. 91J fathoms. Dredge. 1 specimen. 



15. S.R] Nov.3,1904. 39 miles W.N.W. Nly. of Tearaght Light. 

 Lat . . \V. ii 44'. 244J fathoms. Dredg I ens. 



16. S.E 178. N . L6, L904. 40 miles N.W. by W. | W*. of Cleggan 



