PLATE XLVI. 
d.t. 
en.c. 
g- 
i.l. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig- 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Figs. 1-8. Chorizocormus reticulatus, n. sp. 
Figs. 9-14. Synstyela incrustans, n. sp. 
Dorsal tubercle. 
Endocarp. 
Polycarp. 
Internal longitudinal bar of bran- 
chial sac. 
ov. Ova. 
p.p. Peripharyngeal band. 
t.k. Terminal bulb on vessel in test. 
tm. Test matrix. 
tn, tn'. Tentacles. 
tr, tr'. Transverse vessel of branchial sac. 
Lv. Spermatic vesicles, 
u Vessel in test. 
1. Large colony of Chorizocormus reticulatus ; natural size. 
2. Small colony of Chorizocormus reticulatus ; natural size. 
3. Small colony of Chorizocormus reticulatus ; natural size. 
4. Another small colony of Chorizocormus reticulatus ; natural size. 
5. Part of stolon of Chorizocormus reticulatus, showing vessels ; highly magnified 
(S., ^ inch). 
6. Part of branchial sac of Chorizocormus reticulatus, seen from the interior; 
magnified (S., 1 inch). 
7. Dorsal part of anterior end of Ascidiozooid of Chorizocormus reticulatus, showing 
tentacles, dorsal tubercle, &c ; magnified (S., 1 inch). 
8. Part of mantle of Chorizocormus reticulatus, seen from the inner surface, showing 
attached female polycarps {g.) ; magnified (S., 1 inch). 
9. Colony of Synstyela incrustans ; natural size. 
1 0. Part of branchial sac of Synstyela incrustans, seen from the interior ; magnified 
(S., 1 inch). 
11. Larva oi Synstyela incrustans, showing structure of tail ; magnified (S., 1 inch). 
1 2. Part of mantle of Synstyela incrustans, seen from the inner surface, showing female 
poly carps {ov.) in various stages of development ; magnified (S., 1 inch). 
Fig. 13. Three male polycarps {t.v.) detached from mantle ; magnified (S., 1 inch). 
Fig. 14. Four endocarps {en.c.) detached from mantle ; magnified (S., 1 inch). 
