160 Dr. J. B. S. Jackson's Dissections of a 
very large and directed obliquely outwards. In place of the 
corpora pyramidalia and olivaria was a defined, circular, raised 
mass, about : inch in diameter and very unlike Tiedemann’s 
figure of the D. delphis. The spinal marrow was rather 
small and uniformly so, closely invested by the dura mater, 
as remarked by Mr. Hunter, and formed. the cauda equina 
at about the tenth vertebra from the dorsal. The cerebral 
nerves generally were large, except the first pair, of which 
no trace could be found ; externally, the portio dura, the par 
vagum and some others appeared immensely large. 
'The pupil of the eye was of an elongated, rather oval form, 
and not heart-shaped, as in the D. delphis, according to F. 
Cuvier, Lesson, and Sir William Jardine ; lens spherical ; pig- 
mentum not continued over the choroid coat, which has rather 
 &greenish hue; numerous and distinct orifices of glands were 
found in the conjunctiva where it is reflected over the globe, 
the mucous secretion from which Mr. Hunter supposed w 
answer the purpose of the lachrymal gland, which is small in 
the cetacea. The external opening of the ear was just large 
enough to admit a small pin, and communicated with the 1n- 
ternal organ apparently by means of a single cartilage. 
OF THE PHOC(ENA GLOBICEPS. (Cuv.) 
This animal was harpooned near the bath-house at Craigie's 
bridge, June 16th, 1842, and I saw it on the same day. It 
looked quite thin, and on the right side the surface was -— 
even to a considerable extent, as if cicatrized ; this appear 
ance is interesting, as something of the kind seems tO have 
been observed in another individual of the same species” 
Mr. Couch, (Mag. of Nat. Hist. July, 1842.) It was of an 
uniform, dark slate color, except on the belly, where -— ‘ass 
ill-defined, narrow, clouded, white streak, extending from * d 
neath the jaw to about the anus, being much -broader an 
whiter in some parts than others, and most so beneath the 
jaw. “Weight estimated at 255 Ibs. si e n e. 
The figure at the end of the volume, by Dr. William © 
