ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 
83 
This important paper is illustrated by beautiful plates, and includes 
a copious bibliography. 
Rotatoria. 
Rotifera of Sandusky Bay.* — In this second paper, Dr. D. S. Kelli- 
cott continues his record of the Rotifera found by him near his station 
on Lake Erie, extending his list to 106 species. Of particular interest 
are a few rare Rotifers only known from one or two localities in other 
parts of the world, as Polyclisetus serica Gunson-Tliorpe, known only from 
China, Distyla spinifera Western, from Putney, Notogonia ehrenbergi. 
from Switzerland and Calcutta. The following four species are described 
as new : — Proales algicola, Ploesoma mollis , Sacculus orbicularis , and Mas - 
tigocerca multicrinis. The first two are unfortunately not figured, which 
is always a great drawback, and almost prevents future identification. 
Of Sacculus orbicularis there is a slight sketch which very much re- 
sembles that of a contracted Notops pygmseus Caiman, and the imperfect 
description, as far as it goes, also agrees with this species. Mastigocerca 
multicrinis is figured, and with its six slender frontal appendages and 
spine, reminds one of M. capucina Wierz., if it be not identical with it. 
Rotifera from Spitzbergen. j — Mr. David Bryce has examined a 
quantity of moss brought in tins from Advent Bay, Ice Eiord, Spitzbergen, 
by Dr. J. W. Gregory, and collected by him during Sir W. Martin 
Conway’s expedition in the summer of 1896. Twenty-six species of 
Rotifers were found in the moss, distributed as follows : — 2 Pliilodina , 
1 Rotifer , 13 Gallidina , 3 Adineta , 1 Proales , 1 Furcularia, 1 Diglena , 
2 Stephanops, 1 Colurus , and 4 Metopidia , some of these being moderately 
abundant. One species only/ Steplianops tenellus, is described as new, 
but not figured, and even this one has been seen before by the author in 
England. Gallidina venusta is a new name given to Milne’s Macro- 
trachela elegans, which it was necessary to rename. The author points 
out the evidence that is afforded of the vitality and endurance of these 
minute yet highly organised animals under such exceedingly trying 
conditions of life as those obtaining in Spitzbergen. For under the 
most favourable conditions, during only three months in the year is the 
temperature sufficiently high for active life ; during the remaining nine 
months the animals and their eggs, as everything else, are frozen hard 
as rock. 
Male of Proales Wernecki.J — Mr. C. F. Rousselet gives a short 
account and some good figures of this recently discovered male Rotifer, 
the female of which has long been known to inhabit the galls found on 
various species of Vaucheria. It is of particular interest as being the 
second male Rotifer known to possess a fully developed mastax and jaws, 
the first having been the male of Rhinops vitrea. 
Hew Male Rotifers.§ — Dr. E. F. Weber gives a description and 
figures of the following six male Rotifers found in the neighbourhood of 
* Trans. Amer. Micr. Soc., 1897, pp. 43-51 (3 figs.). Cf. this Journal, 1897, 
p. 207. t Proc. Zool. Soc. London, 1897, pp. 793-9. 
X Journ. Quekett Micr. Club, vi. (1897) pp. 415-8 (1 pi.). Cf. this Journal, 1897, 
p. 7. § Rev. Suisse de Zool., v. (1897) pp. 91-9 (1 pi.). 
Cr 2 
