PATAGONIAN EXPEDITIONS I PALAEONTOLOGY. 



EXPLANATION OF PLATE XXXIII. 



PAGE 



Fig. i. NATICA CHILOENSIS Phil. . . . . . . . . 186 



Lower Magellanian beds ; Punta Arenas. 



i a. Large individual, surface of shell partly gone. 

 ib. Smaller individual, complete. 



Fig. 2. NATICA OVOIDEA Phil. . . 187 



Patagonian beds ; mouth of Santa Cruz River. 

 Large individual. 



Fig. 3. NATICA SECUNDA Roch. and Mab. 188 



Patagonian beds ; mouth of Santa Cruz River. 



3#. View of an almost complete individual (part of labial callus gone). 

 3<5. Lower view of another individual, showing complete callus. 

 Fig. 4. NATICA DARWINI Hutt. . . . . . . . . . 189 



Patagonian beds ; mouth of Santa Cruz River. 



Front view of an absolutely complete individual. 

 Fig. $. NATICA SUBTENUIS v. Ih. . . . . . . . . . 190 



Patagonian beds ; mouth of Santa Cruz River. 



Front view of a specimen with callus partly gone. 

 Fig. 6. NATICA CONSIMILIS v. Ih. . . . . . . . . 191 



Patagonian beds ; mouth of Santa Cruz River. 



Side view. 

 Fig. 7. ODONTOSTOMIA SUTURALIS (v. Ih.). ... .... 173 



Fatagonian beds ; mouth of Santa Cruz River. 

 7. Front view. 

 7<5. The same, 4/1. 



Fig. 8. TURBONILLA CUEVENSIS V. Ih. . . . . . . . 174 



Patagonian beds ; Mt. of Observation, upper horizon. 

 Sa. Front view. 

 85. The same, 4/1. 



Fig. 9. APORRHAIS ARAUCANA (Phil.). 200 



Patagonian beds ; mouth of Santa Cruz River. 



Back view of the only (damaged) individual. 



Fig. 10, STRUTHIOLARIA HATCHERI Ortm 201 



Lower Magellanian beds ; Punta Arenas. 



loa. Back view of a complete individual. 

 106. Front view of fragment of another, larger individual. 

 Fig. ii. STRUTHIOLARIA AMEGHINOI v. Ih. . . . . . . 201 



Patagonian beds ; mouth of Santa Cruz River. 



1 1 a. Front view of a rather large, typical specimen. 



i \b. Front view of a specimen of var. multinodosa Ortm. 



