CONTENTS vil 
XVIII 
PAGE 
ON SPECIES AND RACES, AND THEIR ORIGIN . ls 2-1 388 
Proceedings of the Royal Institution of Great Britain, vol, tid. 1858- a; 
Pp. 195-200. 
NIX 
ON THE STRUCTURE OF THE MOUTH AND PHARYNX OF THE SCORPION 395 
Quarterly Journal of Microscopical Sctence, vol. vitt., 1860, pp. 250-254. 
2S 
ON THE NATURE OF THE EARLIEST STAGES OF THE DEVELOPMENT OF 
ANIMALS. . 400 
Proceedings of the Royal Institution of Great Britatn, vol. 2. i, 1858 66ae 315-317. 
XXI 
ON A NEW SPECIES OF MACRAUCHENIA (M. BOLIVIENSIS) mah Jee ce OS 
Quarterly Journal of the Geological Soctety of London, vol. xvit., 1861, 
LP. 73-84. 
NNII 
ON PTERASPIS DUNENSIS (ARCHEOTEUTHIS DUNENSIS, ROEMER) .. . 417 
Quarterly Journal of the Geological Soctety of London, vol. xvit., 1861, 
Dp. 163-166. 
NAITI 
PRELIMINARY ESSAY UPON THE SYSTEMATIC ARRANGEMENT OF THE FISHES 
OF THE DEVONIAN EPOCH . 421 
Memoirs of the Geological Survey of the United Kingston, “ Fioures and 
Descriptions illustralive of British Organic Remains,” 1861, Dees. 
AXIV 
GLYPTOLEMUS KINNAIRDI .... oe a a et 461 
Memotrs of the Geological Survey aia Cutted Kingdon. 1861, “* Figures 
and Descriptions illustrative of British Organic Remains,” Dee. x. ‘ 
pp. 41-46. 
XXV 
PHANEROPLEURON ANDERSONI 
Memoirs of the Geological Survey of the United Kingdom. “ Figures and 
Descriptions illustrative of British Organic Remains.” 1861, Dec. w., 
PP. 47-49. 
467 
XXVI 
ON THE ZOOLOGICAL RELATIONS OF MAN WITH THE LOWER ANIMALS Azt 
The Natural History Review, 1861, pp. 67-84. 
XXVII 
ON THE BRAIN OF ATELES PANISCUS . 493 
Proceedings of the Zoological Society of London, 1861, pp. 247-260. 
