CEPHALOPODA. 45 



III SYSTEMATIC! 



Classification of the British Molhisca ; Leach (392) : On nomenclature ; 

 MoRCH (439) : Structure of the shell ; Carpenter, xii, p. 377 ; xiii, 

 p. 486: Thelidomus, Swainson, is not a Mollusc; GtRAY, v, p. 257: 

 General account of the MoUusca; J., G. (331): On the homologies of 

 Mollusca ; Gray (267). 



I. CEPHALOPODA. 



Hectocotylus formation ; Steenstrup (494): Classification of 'Chambered 

 Cephalopods'; Chapman (176). 



DIBRANCHIATA. 



ArgonmUa, notes on; Dumeril & Blainville, Mag. Nat. Hist. n. s. i, 

 p. 393 : see also Charlesworth, t. c. p. 526 ; Power, op. cit. iii, 

 p. 148; Rang, t. c. p. 521 : On the male; Muller (445). 



\Belemmtes and Belemnoteuthis, structure; Mantell (436). 



\Belemnites bouchardi, Lias, France ; Morris, (2) x, p. 355, fig. : n. sp. 



\ Coiioteuthis, occurrence in Gault of Folkestone; Woodward (553). 



Octopus vulgaris, note on habits ; Power, (2) xx, p. 336. 



Ommastrephes todams, nervous system ; Hancock, (2) x, p. 1. 



Spirula, animal ; Gray, xv, pp. 257, 444. 



AMMONEA. 



■\ Ammonites lateseptatus, p. 13, dannenbergi, p. 14, multilobatus, p. 156, 

 cequabilis, jx 157, carinatus, p. 158, intumescens, orbiculus, p. 159, 

 calculiformis, p. 160, Transition formations of the Rhine ; Beyrich, 

 iii, figg. : tJ. elizahethoe, p. 162, comptoni, stutchburii, sedgiaiclcii, p. 163, 

 lonsdcdii, fluctuosus, brightii, p. 164, Oxford Clay near Chippenham ; 

 Pratt, viii, figg.: \A. ihninstrensis, Lias, Gloucestershire; Lycett, 

 (3) ii, p. 260 :^^. spp. 



'i Ancyloceras cuUoviensis, p. 32, Kelloway Rock, Chippenham, costatus, 

 waltoni, p. 33, Inferior Oolite, Bridport ; Morris, xv, figg. : n. spp. 



\Clymenia quadrifera., p. 487, pattisoni, p. 488, Devonian, S. of England; 

 M<'CoY, (2) viu : n. spp. 



\Cycloceras tenuiannidattim, Silurian, British Isles; M'^CoY, (2) vii, p. 46: 

 n. sp. 



\Cyrtoceras subornatum, Devonian, Devon ; M'^Coy, (2) viii, p. 489 : n. sp. 



\Orthoceras annularis and striata, notes on ; Jukes, Mag. Nat. Hist, ii, 

 p. 231. 



\Orthoceras politum, Silurian, British Isles; M'^CoY, (2) vii, p. 46: \0. 

 {Cycioceras) Jlemiugi, (? Poterioceras) cornuvaccinum, Carboniferous 

 Limestone, Northumberland ; M'^CoY, (2) xii, p. 196 : n. spp. 



f Phragmoceras intermedium, Silurian, British Isles ; M'^CoY, (2) vii, p. 45 : 

 n. sp. 



\ Poterioceras ellipticum, Silurian, British Isles ; M^'CoY, (2) vii, p. 45 : 

 n. sp. 



t is prefixed to fossil forms. 



