-;'5i'W. 

 W. 



^i'rotcsso 



Other 



PLATE I 



\a 

 Salpa aspera 



A. Solitary form, dorsal view (body length 85 mm.). B. Aggregate 



form, dorsal view (total length 31mm., body length 18 mm.). ,2683, 



C. Solitary form, postero-dextro-dorsal view, semidiagrammatic. 

 Redrawn from Ritter (1905). (i) mid-ventral ridge, (2) ventro- 

 lateral ridge, (3) dorso-lateral ridge, (4) outer dorsal limiting ridge, 

 (5) inner dorsal limiting ridge. 



Note : precise details of the oral and atrial muscles are not shown in 

 Pis. I and II. ^. 119° 21' W. 



37 123' 33' W. 



-i« -27. 729, 731, 733, 737, 

 • 9S8, 959. 964. 



■ ,:- vt'^, 1513. 



, -, :v-2, 2020, 



: 17, 2220, 2238, 



'. 273s- 



\v. 



, I'ioi, 1^06, 1307, 



1220 1222, 1237 . *J" > J ' J /' 



'-' \ 2744, 2833. 

 1309, 



Material fr. 

 (D. 



26 4" 



