

















$4.00 per Year. 

A MONTHLY JOURNAL 
DEVOTED TO THE NATURAL SCIENCES 
IN THEIR WIDEST SENSE. 


7 Ye ee 
Eo Rasy 
Vol. XXV.” JULY, Bor. No. 295 


CONTENTS. 



ON THE cea iby OF a spt 
in the Oligochetes—Di 
[Ilustrated], . - G, Bau 631 | Budding in Polyzoa—The 
Eprrontat—Preoecapied Na ames,. ...... . 640 | Position of Limul 

u 
ECENT BOOKS AND b AMP o wea oom — of the Vertebrate 
r LITERA sil F 
eptilia and Pateckia (Amphibia) im te British 
useum, Parts IL, IHH., and [V.— ——— E ee oa he 
Sito s Fossil Fishes—Mre " Bodington aes fae flar tsaia Development of Lee Ascid- 
uti ees 644 | ians 
a. Nove Entomology — —the “ ‘Arrow en 
Geography Ba Dewl. 7.—The Peary Exploring “ Jumping 
Expedita ns for Greenland and the — of Unex- 
egions of the Arctic Circle, 649 
= Geology aor Titin if —The Mavic Faaa 
-Tt re- Paleozo Coinein f the Archean Terranes 
Š A Fa 
senl Q 
; Ce PAGE o 
A Review or THE ne ee or THE CRETA- ee ‘Glacial: pies Ge Sioe New Fishes ‘rom South 
ous MANHALIA A [Uiustra ; : eee. 8, ones! veoh Paleoz 
| He » 575 | Cenozoic,. . oe 
hoes a ON Wissen MAMMALIA, . $ O: c Marsh, : 6rr Mi ineralogy Te Patroerophy -New Minerais 
THE COMIN peg eos Sid V. Clevenger, 617 FE ical New 
WHERE AMATEU OTOG S CAN BE OF Zao —Motion in -] jhology 
; ASSISTANCE es Sex | [Titustrated], ofthe sea Seat A he Starfish Lat tomy 
. W. Shufeidt, 626 | of theSyn whitch oe o Canalin Trema 
: t Fertilization in the Ces 








