7 Acephala; Tunicata. | 
Classis IV. 7vunicata, Lam. 
(Les Tuniciers.) 
Ordo 1, Ascideacea tethydea, .Savign, - 
| Fam, 1.  Tethyae. " 
t Tethyae simplices, 
Boltenia, Savign. / 
Cynthia, Savign. . 
Phallusia, Savign. 
^lavelina, Savign. 
Bipapillaria, Pér. 
Mammaria, Müll. 
t t Tethyae compositae. 
Diazona, Savign. 
Distoma, Gaertn. 
Sigillina, Savign. 
Synoicum, Phypps, (Alcyonium, Gm.) 
Aplidium, Savign. 
Polyclinum, Savign. 
Didemnum, Savign. 
Eucaelium, Savign, 
Botryllus, Gaertn. 
Fam. 29, Luciae, Savign. | 
Pyrosoma, Pér. 
A 
Ordo 2. Ascideacea Thalidea, Savign. 
Fam, 1. Thalides. 
Salpa, Cuv. (Biphora, Br., Dagysa, Gm.) 
A. crista nulla (Salpa, Forsk., Holothuria, Salpa, 
Dagysa, Gm., Thalia, Blumenb., Tethys, Tiles.) 
B. crista dorsali. (Thalia, Brown., Holothuria, Gm. 
Salpa, Forsk.) 
