TUNICATA. 



BY JAMES RANKIN, B.Sc., M.B., C.M., Zoological Laboratory, 



The University, Glasgow. 



CLASSIFICATION. 

 Herdman, Prof. W. A., F. R. S., Journ. Linn. Soc., vol. xxiii. 



ABBREVIATIONS. 

 H. = Herdman. 

 R. = Ran kin. 



M. = ' Medusa ' records of Sir John Murray, 

 c. = common. 1. w. = low water mark, etc. 



ORDER I. ASCIDIACEA. 

 Sub-order I. Ascidiae Simplices. 



Fam. I. Molgulidae. 



Eugyra glutinans, Moll. Duuoon Basin, Centre, 10-15 f. (M.) ; Lamlash B. ; 



L. Eanza, (H.). 



Molgula oculata, Forb. Lamlash B. ; L. Ranza, (H.). 

 M. Holtiana, Herdm. Cumbrae, littoral, (R.). 

 M. citrina, Aid. and Han. Lamlash ; Bute, etc. (H.). 



Fam. II. Cynthiidae. 



Cynthia echinata, L. Sanda to Achahoan, 22 f. (M.) ; off Skate I., 

 80-100 f. (M.) ; Castle B., L. Cumbrae (Gemmill) ; L. Fyne ; Lam- 

 lash, (IL). 



Pelonaia glabra, Forb. and Goods. Rothesay B., 7 f. (Forb. and Goods. 

 Br. Mollusca, vol. i.) 



Styela mstica, L. Sanda to Achahoan, 19-22 f. ; off Skate I., 80-100 f. ; 

 L. Goil, 24-40 f. ; L. Striven, Centre, W. and E. sides, 10-40 f. ; Upper 

 L. Fyne, 10-70 f. (all M.). 



Styelopsis grossularia, Van Ben. Abund. 



Polycarpa pomaria, Sav. Dunoon Basin, 40 f. (Hoyle) ; L. Goil, 35 f. 

 (Hoyle) ; Lamlash B. ; Tarbert (H.) ; off Sheep L, 25 f. (E.). 



P. comata, Alder. Lamlash B. ; Tarbert, (H.). 



P. quadrangularis, Forbes. L. Fyne, 80 f., bet. Tarbert and Ardrishaig, (H. 

 J. L. S., vol. xxiv.) ; L. Fyne, 30 f. (Forb. and M'Andrew) (Br. 

 Jfollusca, vol i.). 



Fam. III. Ascidiidae. 



Corella parallelogramma, 0. F. H. Gen. clist., 15-65 f. Very c. in Millport 



waters. 



A. venosa, 0. F. M. Tarbert, (H.). 

 A. triangularis, Herdm. Lamlash B., 10-20 f. (H. J. L. S., vol. xv.). 



