20 Records of the Indian Museum. [Vorsvs 
A few branches of a specimen also occur in the collection 
in an unlabelled bottle. The hydrothecz of these differ from those 
described above in being slightly more closely approximated, 
in possessing more distinct internodal and intrathecal ridges, larger 
cauline sarcothecee, a longer mesial sarcotheca jutting out more 
strongly from the hydrotheca, and a margin rising into a broad 
lobe on each side. They differ also somewhat in size,—see table 
below. The branches bear phylactocarps with sometimes as 
many as I4 nematoclades. The gonangia spring from near the 
bases of the nematoclades and are broadly ovate. 
Measurements. 
Andamans  Unlabelled 
specimen. fragments. 
Hydroclade internodes, length .. | 0°28 mm. 0°22 mm. 
Hydrotheca, depth as SE Ot Oe 
& diameter at mouth | OPES & Se = Oe ee 
Gonangium, length ‘< ue OrOu are 
ts greatest diameter .. Pa OAC & 
| 
Locanity : Andaman Islands (collected by J. Wocd-Mason, 
Marine Survey). 
Distribution.—A distinctively Indo-Pacific species ; recorded 
from the South Sea, China Sea, Pelew Islands, by Kirchenpauer 
(1872) ; from the Philippine Islands by Allman (loc. cit.), from 
Singapore by Marktanner-Turneretscher (loc. cit.), and now from 
Indian waters. 
Lytocarpus philippinus (Kirchenpauer). 
Kirchenpauer, G. H., 1872, pp. 20, 45, pls. i, ii, vii, fig. 26; as 
Aglaophenia philip pina. 
Nutting. ©. C... 1900)p122 pl, soca figs. A= =7- 
A specimen in fragmentary condition represents this species. 
The minute structures are altogether similar to those of previous 
descriptions, but there is considerable variation in insignificant 
details. Thus while the lateral margin is, more generally perhaps, 
a single large lobe, as in Marktanner-Turneretscher’s figure of a 
specimen from the Red Sea (1890, pl. vi, fig. 15), sometimes it is 
divided into two distinct waves as in a Madagascar specimen figured 
by Billard (1907, fig. 18, p. 377). There. are also considerable 
differences in the size of the embayment which separates the 
anterior tooth of the hydrotheca from the median sarcotheca. 
