On Dr. Gerard’s collection of Spiti fossils. [No. 2, 
4 Ammonites Wallichii, Gray ; a, suture. 
5, a—b, Ammonites octagonus, Strachey ; c. suture. 
6, 6a, Ammonites Nepalensis, Gray. 
7, Turritella ? montium, Blanford. 
Plate Il. 
. 1, la—é, 2, 8, Ammonites communis, Sow. See note, p. 124. 
4, 4a, Ammonites Spitiensis, Blanford ; 6. suture. 
5, Suture of Ammonites biplex, Sow. 
6, 6a, Ammonites Gerardi, Blanf. Sep. 6. suture. 
7, 7a, Ceratites Himalayanus, Blanf. 
‘Plate IT. 
. 1, la, Ammonites Strigilis, Blanford. 
2,3, Ammonites Wallichii, Gray. 
4, 4a, Ammonites biplex, Sowerby ; 6, ¢ first and sixth sutures 
of the same Ammonite. 
5, Suture of another specimen. 
6, 6a, 7, 7a.—Ammonites torquatus, Sowerby. 
8, Suture of the above. 
Plate IV. 
. 1, la, Ammonites guttatus, Strachey ; 0. suture. 
2, 2a, Ammonites Hyphasis, Blanford ; 6. suture. 
3, 3a, Pleurotomaria. 
4, 5, Cyprina ? trigonalis, Blanford. 
6, 6a, 7, Monotis concentricus, Blanford. 
8, Mytilus mytiloidea, Blanford. 
9, Salenia ?P 
————$— Lees 
