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ALLAN HANCOCK PACIFIC EXPEDITIONS 



VOL. 20 





Fig. 94. Noetia reversa (Sowerby) 1833. Off Acapulco, Mexico, 

 a. Lateral view. b. Dorsal view. c. Abdominal sense organs. 

 Length, 17.5 mm. 



95 



Fig, 95. Sheldonella delgada (Lowe) 1935. South of islands oflE 

 Navidad Head, Bahia Tenacatita, Mexico. Dorsal view 

 showing the arrangement of the ligament. Length, 14.8 mm. 



Sheldonella delgada (Lowe) 1935 

 Text-fig. 95 



Area delgada Lowe, Trans. San Diego Soc. Nat. Hist., vol. 8, no. 6, p. 



16, PI. 1, fig. 2. 

 Fig.: Reinhart, 1943, PI. 12, figs. 4-5. 

 Type loc: Manzanillo, Mexico; 20 fms. 

 Holotype: San Diego Museum of Natural History. Type coll. cat. no. 



11388. 

 Re/iiarks: The arrangement of the ligamental area is shown in a sketch, 

 text-figure 95. The specimen figured has a length of 14.8 mm. The 

 posterior groove on the ligament which, according to MacNeil (1937, 

 p. 7), has not been observed in Sheldonella, is distinct, though less 



