REPORT ON THE TUNICATA. 
363 
Table showing the Disteibution of the Faaiilies, Geneea, and Species of 
Ascidia: Compositai^ theohghout the geeat ocean basins. 
Species. 
1. 
North 
Atlantic. 
o 
South 
Atlantic. 
3. 
Southern 
Ocean. 
4. 
Seas of 
Malay 
Archip. 
5. 
North 
Pacilic. 
6. 
South 
Pacific. 
7. 
Seas of 
South 
America. 
Family Botetllid.j:. 
Botryllaides tijreum, ...... 
+ 
perspicuum, ..... 
+ 
var. ruhicundum. 
+ 
nigrum, ...... 
+ 
fulgurale, ...... 
+ 
Sarcoiotrylloides loyvillii, ..... 
+ 
Pulycyclus lamarcki, ...... 
+ 
jeffreysi, 
+ 
Family DiSTOMiDiE. 
Coldla pedunculata, ...... 
+ 
+ 
thomsoni, ....... 
+ 
gaimardi, ....... 
+ 
pulchra, ....... 
+ 
elongata, ....... 
+ 
quoiji, 
+ 
murrayi, ....... 
+ 
var. ruhida, ..... 
+ 
ramulosa, ....... 
concreta, ....... 
+ 
Distaplia vallii, ....... 
+ 
+ 
(?) cluva, ...... 
+ 
{^) pyriformis, ...... 
+ 
Cystodyies draschii, ...... 
+ 
philippinenais, ..... 
+ 
Symplegma viride, ...... 
+ 
Family Polyclinidie. 
Pharyngodidyon mirahile, ..... 
+ 
Tylohranchion speciosum, ..... 
+ 
Atopogaster gigantea, ...... 
+ 
aurantiaca, ...... 
+ 
informis, ...... 
elongata, ...... 
+ 
var. pallida, .... 
Morchellioides affinis, ...... 
+ 
MorcTiellium giardi, ...... 
+ 
1 Those collected during the “ Lightning,” “ Porcupine,” and Challenger Expeditions, 
