70 THE NAUTILUS. 



OLIVA SPICATA Bolt. 



Tryon M. C. pi. 27, f. 62. 



Var. hempliilli "Ford" Johns. 



The types are A. N. S. Coll. No. 111697 from San Ignacio 

 Lagoon, Lower California. Alt. 53.5, diam. 23mm. Nautilus 

 vol. 24, p. 122 ; t. c. vol. 28, p. 115. 



Var. subangulata Phil. Tryon M. C. pi. 28, f. 65. 

 Var. oniska Duel. 



The types of 0. perfecta Johns, are A. N. S. P. Coll. No. 111729 

 from West Coast Central America. Alt. 58.5, diam. 25 mm. 

 Nautilus vol. 24, p. 122 ; t. c. vol. 28, p. 116 ; Rve. C. I. pi. 

 10, f. 16 g ; Tryon M. C. pi. 27, f. 61 ; Chenu 111. Conch, pi. 

 32, f. 9. 



Var. pindarina Duel. Tryon, M. C. pi. 28, f. 64. 

 Var. maria Ducr. This is the very light colored form much 

 like var. venidata. Tryon M. C. pi. 29, f. 78 ; Chenu. 

 111. Conch, pi. 33, f. 11. 

 Var. mtulata Lam. Tryon M. C. pi. 28, f. 66. 

 Var. graphica Marr. Tryon M. C. pi. 28, f. 63. 

 Var. violacea Marr. Tryon M. C. pi. 28, f. 70. 



OLIVA RETICULARIS Lam. 



Tryon M. C. pi. 30, f. 90, 91, 94, 95 ; pi. 34, 57. 



Var. formosa Marr. the small brown form. Tryon M. C. pi. 



31, f. 100. 



Var. nivosa Tryon Marr. Tryon M. C. pi. 31, f, 1. 

 Var. bifasciata Kiister. The large brown form. Tryon M. 



C. pi. 31, f. 99. 

 var. olorinella Duel. 



Tryon. M. C. pi. 31, f. 2. 

 var. tisiphona Duel. 



This is the globose, grayish form of Northern S. America. 

 Tryon. M. C. pi." 30, f. 93. 



OLIVA SAYANA Ravenel. 



Tryon. M. C. pi. 31, f. 5. 

 var. citrina Johns. 

 The types are A. N. S. P. Coll. No. 111642 from Long Key, 



Florida. 



Alt. 48. 5, diam. 19 mm. 



NAUTILUS, vol. 24, p. 123 ; t. c. vol. 28, p. 114. 



