PATAGONIAN EXPEDITIONS ! PALAEONTOLOGY. 
PAGE 
Fig. ii. SCALARIA RUGULOSA Sow. . . . . . . . . 1 75 
Patagonian beds. 
iiai. View of a complete specimen of medium size. Mouth 
of Santa Cruz River. 
nb . View of an almost complete specimen of small size ; Dar- 
win Station, San Julian. 
nc. View of fragment of a very large specimen; Darwin 
Station, San Julian. 
Fig. 12. Turritella exigua Ortm. ....... . 192 
Lower Magellanian beds ; Punta Arenas. 
12a. Specimen imbedded in matrix. 
12$. A few whorls, enlarged, showing sculpture. 
Fig. 13. Turritella ambulacrum Sow. . . . . . . . 192 
Patagonian beds ; mouth of Santa Cruz River. 
1 30. Side view of a large individual, typical form. 
13b. Side view of a young individual, representing T. argen- 
tina v. Ih. 
Fig. 14. Turritella breantiana d’Orb. . . . . . . . 195 
Patagonian beds ; mouth of Santa Cruz River. 
140. Almost complete individual. 
iaJ). Fragment of another one. 
Fig. 15. Turritella patagonica Sow. . . 2 * . . . . 196 
Patagonian beds. 
1 5 a. Side view of a specimen imbedded in matrix ; Oven Point, 
San Julian. 
15b. Side view of a speiemen showing sculpture; Paso del Rio 
Santa Cruz. 
Fig. 16. Turritella innotabilis Plsb. . . . . . . . 198 
Cape Fairweather beds ;Cape Fairweather. 
160. Piece of matrix, showing inner and outer casts. 
1 6b. Inner cast. 
All the figures, unless otherwise stated, are natural size. 
(vol. iv) 
