Index. 



xi 



horrida, Paulia '15, 319 

 Hudsonaster '15, 400 

 hydrocircus '00, 198, '15, 266 

 hydrocoel, closure of '15, 401 

 hydropore '00, 198, '14, 167, 197, 

 '15, 263, 266 



migration '15, 400 



canal '15, 265, 266 



idiosyncrasy '15, 396, 397, 403 

 indicus, Pentaceros '15, 319 

 interradial areas '98, 546, '00, 198, 

 '08, 546, '14, 166, 196, '15, 8, 11 



Jaekel, 0. '98, 543, '99, 134, '00, 

 193, 199, 202, '08, 548, '14, 115, 

 '15, 55, 214, 215, 259, 318, 321 



jaws, supposed '00, 201 



Jennings, H. S. '15, 263 



Kirkfield, Ont. '14, 117, 118 

 Koehler, R. '15, 319 



Lapworthura '15, 320 

 Lebetodiscus (diagnosis and name) 



'08, 550, '15, 8, 55 : dicksoni 

 Lepidodiscus '08, 549, '15, 214 

 levis, Edrioaster '14, 115-125 and 



162-169, tf. 2, xii, (diagnosed) 171 

 Lindstromaster '15, 318 

 lobes, see apical membrane 

 locomotion '15, 215, 403 

 Ludwig, H. '15, 319 



M plane '15, 401 

 MacBride, E. W. '15, 393-403 

 madreporite, see hydropore 

 Malaise, C. '99, 94, 135 

 marginals '15, 317 

 Meek, F. B. '15, 55, 56 

 mesentery, posterior '15, 265 

 Meves, Fr. '15, 396 

 middle-piece of spermatozoon '15, 

 396 



miliaris, Parechinus '15, 396 



Miller & Faber '15,55,265 



Minnesota '14, 118, '15, 6 



misfits '15, 403 



Moberg, J. C. '15, 49 



Montfort, assises de '98, 543, '99, 



94, 134 

 motor nerve-centre '15, 212 

 Mount Sherwood, Ottawa '14, 117 

 Mourlon, M. '98, 543, '99, 94, 135 

 mouth-angle plates '15, 320, 321 

 mouth-frame '15, 264, 320 

 mouth-plates, radial '14, 165 

 mundeckstiick, see mouth-angle plates 

 Museum, British '98, 543, '08, 543, 



'14, 117, '15, 7, 49, 51, 320 



Ottawa '08, 547, '14, 116 



Practical Geology '00, 194, '08, 



543 



nerve-centre, aboral '15, 212 



Neumayr, M. '15, 316 



Newton, E. T. '00, 193, '08, 543 



odontophore '15, 320, 321 

 orientation of rays '15, 399 

 Ottawa '08, 543, '14, 117 

 ottawaensis, Astrocystites '14, 193, 

 see Steganoblastus 



Pakenham, Ont. '08, 549 

 Palaeodiscus '00, 201 

 Palaeura '15, 321 

 parasitica, Hemicystis '15, 56 

 Parechinus : miliaris 

 Parker, G. H. '15, 215 

 Parks, W. A. '14, 117 

 Paulia : horrida 



Pelmatozoa, relation to Eleutherozoa 



'15, 393-403 

 pelmatozoan nature of Edrioasteridae 



'15, 212, 213 

 pelmatozoic theory '15, 393-403 

 Pentaceros : indicus 

 Pentagonaster : ernesti 

 perfectus, Silur aster '15, 318, 321 

 peripheral plates '08, 548 

 peristome '14, 164-166, '15, 264, 265 

 Peterborough, Ont. '14, 117, 118 

 pileus, Agelacrinus '15, 56, 260, tf. 



1, 265 

 podia '15, 263 

 Pollicipes : signatus 

 pores, podial '98, 545, '00, 197, '08, 



546, 548, '14, 123, 124, 198, '15, 



214, 215, 263, 317, 318 

 position with regard to sea-floor '15, 



212 



priscus, Aesiocystis, '14, 170 

 procera, Pyrgocystis, diagnosis '15,58 

 procerum, Scalpellum '15, 54 

 Protaster : decheni 

 pustules '14, 167, see also tubercles 

 Pyrgocystis '15, 5-12 and 49-60, 

 (diagnosis and name) '15, 57, 212, 

 214 : ansticei, cylindrica, grayae, 

 procera, sardesoni, sulcata 



radials '14, 196 



radiate symmetry '15, 213, 396, 

 397 



Raymond, P. E. '14, 117 

 recumbent arms '15, 264 

 respiration '15, 263 

 rhomb-ridges '14, 195, 197 

 Roemer, C. F. '15, 55 

 rotation of hydrocoel '15, 398 tf., 



401, 402 

 rubens, Asterias '15, 399 

 Ruddy, T., preface 

 Ruedemann, R. '14, 170 



