660 General Notes. 
dark, while the pigment gradually faded out along the sides of the 
y where the walls of the latter were continued over the yolk 
sack, leaving the latter quite light beneath, or of a dirty yellow tint. 
The eggs of the common sturgeon are very adhesive and must be 
transferred to trays formed of wire gauze or thin cotton cloth tacked 
to wooden frames, as soon after fertilization as possible, and spread 
out in a single layer. If this is not done the eggs will form large 
masses through which fresh oxygenated water cannot penetrate, and, 
asa result, those in the centre of the masses will be asphyxiated, 
fail ‘to develop and become putrescent. The time occupied in 
handling them after fertilization should not be over twenty minutes. 
After two or three hours the eggs are firmly adherent to the wire 
cloth, thin muslin or cheese cloth, and the trays laden with eggs 
may be placed in running water without fear of detaching any of 
them, as their mucigen covering has by this time become quite 
coagulated and gelatinous, forming a coating over the zona radiata 
of irregular thickness. 1e zona proper is quite thin and some- 
what elastic, but easily broken, so that the eggs are rather delicate 
in character. There is no “breathing chamber” developed such as 
is found in the eggs of many Teleosts. The operator must carefully 
guard against the appearance of fungus.—John A. Ryder. 
ARCH ZOLOGY AND ANTHROPOLOGY. 
TOPINARD ON THE LATEST STEPS IN THE GENEALOGY OF 
Man.'—In this highly interesting lecture M. Topinard examines 
the evidence as to the later stages of human phylogeny, including 
those embraced in the series of placental Mammalia. He examines 
the opinions of previous writers on the subject, referring principally 
to Heckel, Vogt, Huxley, and Cope. He commences by a dis- 
cussion of the systematic relations of the contents of the order 
Quadrumana of modern authors, commencing with the lemurs 
He concludes that in spite of certain well-known peculiarities, the 
Lemuride must be included in the same order as the monkeys an 
man, in opposition to the view of Vogt. He then considers the 
question as to whether the Anthropoid apes should be arran 
with the Old World monkeys or with man, the former big 
opinion of Cuvier, Huxley, and Vogt; the latter that of 
! Les derniéres Etages de la Genealogie de Homme. Lecon de 
Mars, 1888 ; Ecole d’ Anthropologie, Paris. Extract du Revue d’An 
pologie, May 1888. 
