CONTENTS OF THE FIRST VOLUME, 



EXHIBITING THE FINAL CORRECTIONS AND ADDITIONS. 



Species of questionable indigenoiisness are printed in italics ; spurious and 

 unrecognized species in nonpareil. The addition of (a. i.) to a species refers the 

 reader to the first Appendix, or Supplementary Notes on the Acephala, in the 

 Second Volume, (a. ii.) to the Appendix at the end of the work. 



ACEPHALA TUN WAT A. 



BOTRYLLID^ OR TRUE 



COMPOUND ASCIDIANS 



Aplidium 



A. ficus 



A. fallax . 



A. nutans . 



A. verrucosum 



SiDNYUM 



S. turbinatum (a. i.) 



POLYCLINUM 



p. aurantium 

 Amouroucium 

 A. proliferura 

 A. Nordmanni 



A. Argus . 

 Leptoclinum 



L. maculosum 

 L, asperum 

 L. aureum . 

 L. gelatinosum 

 L. Listerianum 

 L, punctatum 



DiSTOMA 



D. rubrum 

 D. variolosum 



BOTRYLLUS . 



B. Schlosseri 

 B. polycyclus 



B. conglomeratus 

 VOL. I. 



10 

 11 

 11 

 12 

 13 

 13 

 14 

 14 

 14 

 15 

 15 

 15 

 16 

 16 

 16 

 17 

 17 

 17 

 17 

 18 

 18 

 18 

 19 

 19 

 19 

 21 



21 



BoTRYLLUs continued. 



B. gemmeus . . .22 



B. violaceus . . .22 



B. smaragdus . . .22 



B.bivittatus . . .23 

 B. rubens (a. i.) 

 B. virescens (a. i.) 

 B. castaneus (a. i.) 



BOTRYLLOIDES . . .23 



B. Leachii . . .23 



B. albicans . . .24 



B. rotifera . . .24 



B. rubra . . . .24 

 B. radiata (a. i.) 



B. ramulosa (a. i.) 



CLAVELINID^ OR SOCIAL 

 ASCIDIANS ... 25 



Clavelina . . . .26 



C. Lepadiformis . , .26 

 Perophora . . .28 



P.Listeri . . . .28 

 Syntethys (a. ii.) 

 S. Hebridicus (a. ii.) 



ASCIDIAD^ ... 29 



ASCIDIA . ... 30 



A. intestinalis . , .31 



A. canina . . . .31 



A. venosa . . . .31 



A. mentula . . .32 



