38 INDEX TO PLATES. 



PLATE LXVI. 



Fig. 1. LIMAX COLUMBIANUS Gould, p. 43. "With a 

 front view of the head, the form of the calcareous element, 

 and the anterior portion of the body when contracted. The 

 wood-cut following the description represents the lingual 

 booklets of Helicina orbiculata, p. 352. 



Fig. 2. ARION FOLIOLATUS Gould, with magnified 

 patch of the foliated surface, p. 30. 



Yv. .T, U V. **\UL * i!U$*4>, t~f**4 U 



PLATE LXVII. 

 VAGINULUS FLORIDANUS Binney,p. 17. 



PLATE LXVII a. 



Fig. 1. VITRINA PELLUCID A Miiller, ( V. limpida, 

 Gould,) p. 55. 



Fig. 2. SUCCINEA CONCORDIALIS Gould, p. 82. 

 Fig. 3. SUCCINEA OVALIS Gould, p. 78. 

 Fig. 4. SUCCINEA NUTTALLIANA Lea, p. 81. 



PLATE LXVII b. 



Fig. 1. SUCCINEA CAJIPESTRIS Say, p. G7. 

 Fig. 2. SUCCINEA OBLIQUA Say, p. 69. The variety 

 described by Mr. Lea as Succinea Totteniana, page 72. 

 Fig. 3. SUCCINEA OBLIQUA Say, p. 69. 



PLATE LXVII c. 



Fig. 1. SUCCINEA LUTEOLA Gould, p. 75. 



Fig. 2. SUCCINEA OREGONENSIS Lea, p. 77. 



Fig. 3. SUCCINEA AUREA Lea, p. 76. 



Fig. 4. SUCCINEA AVARA Say, p. 73. 



