ON THE MARINE ZOOLOGY OF THE IRISH SEA. 433 
ECHINOIDEA. 
PETALOSTICHA. 
Spatangus purpureus, Mill. i. 137. 
EKehinocardium cordatum, Penn, i. 138. 
DESMOSTICHA. 
Echinus esculentus, Linn. i. 136. 
#H. miliaris, Linn i, 136. 
CLYPEASTRIDA. E. flavescens, O. F. Miill. i. 138. 
Lchinocyamus pusilius,O. F. M. i. 137. Brissopsis lyrifera, Forb. iv. 23, 175. 
HOLOTHURIOIDEA. 
APODA. Cucumaria pentactes, Mill. i. 139. 
Synapta inherens, O. F.M. iv. 363. C. Hyndmani, Thomp. i. 139. 
PEDATA. C. Planci, Marenz. ii. 53. 
Phyllophorus Drummondi, Thomps. 
8th A. R., 12. i. 138. 
Ocnus brunneus, Forb. i. 139. 
OPHIUROIDEA. 
Ophiura ciliaris, Linn. i. 140. , Amphiura Chiajii, Forb. 9th A. R., 
O. albida, Forb. i. 141. p- 17. 
Ophiopholis aculeata, Linn. i. 141, Ophiocoma nigra, Abild. i. 142. 
Amphiura elegans, Leach. i. 142. Ophiothria fragilis, Abild. i. 143. 
Thyone fusus,O. F. M. i. 138, iv. 178. 
L. raphanus, D. & K. iv. 175, 178. 
LIST OF THE VERMES. 
TURBELLARIA. 
[See Report by F. W. GAMBLE, M.Sc., in ‘ Fauna,’ vol. iv.] 
I. POLYCLADIDA. 
Leptoplana tremellaris, O. F. Miill. Oligocladus sanguinolentus, Quatref, 
iv. 72. iv. 76. ; 
Cycloporus papillosus, Lang. iv. 74. Stylostomum variabile, Lang. iy. 77. 
II. RHABDOCGLIDA. 
Hyporhynchus armatus, Jens. iv. 66. 
Provortex balticus, Schultze. iv. 67. 
Plagiostoma sulphwreum, v. Graff. iv. 68. 
P. vittatum, Frey and Leuck. iv. 68. 
Aphanostoma diversicolor, Oe. iv. 59. 
Convoluta paradoxa, Oe. iv. 59. 
C. flavibacilium, Jens. iv. 61. 
Promesostoma marmoratum, Schultze. 
iv. 61. 
P. ovoideum, Schm. iv. 62. 
P lenticulatum, Schm. iv. 62. 
Byrsophiebs intermedia, v. Graft. iv. 63. 
Proxenetes fiabellifer, Jens. iv. 63. 
Pseudorhynchus bifidus, McInt. iv. 64. 
Acrorhynchus caledonicus, Clap. iv. 65. 
Macrorhynchus Naegelii, Koll. iv. 66. 
M., heigolandicus, Metsch. iv. 66. 
Vorticeros auriculatum, O. F. Miill. 
iv. 69. 
Allostoma pallidum, Van Ben. iv. 69. 
Cylindrastoma quadrioculatum, Leuck. 
iv. 70. 
C. inerme, Hallez. iv. 21. 
Monotus lineatus, O. F. Miill. iv. 70. 
MM. fuscus, Oe. iv. 71. 
III. TRICLADIDA, 
Planaria littoralis, van Ben. 10th A. R. 
NEMERTEA. 
[See Report by W. I. BEAuMONT, in ‘ Fauna,’ vol. iv.] 
Malacobdella grossa, O. F. M. is, 
145. 
Cephalothria bioculata, Oersted. iv. 
217, 452, 
1896, 
Carinella linearis, Mont. i. 145, 332. 
C. Aragoi, Joubin. iv. 451. 
? C. annulata, Mont. iv. 217. 
Lineus marinus, Mont. i, 332. 
FF 
