vi SMITHSONIAN, MISCELLANEOUS COLLECTIONS [voL. 48 
Instances of Hermaphroditism in Crayfishes. WILLIAM PERRY 
Hay.” No) 1593. Publisted September 10,2 1005 co. 0s cracane 222 
PN ODES. 7) INGE GOA coi ester oases MT oso vty oa 229 
The Species of Mosquitoes in the Genus Megarhinus. Harrison G. 
Dyar and Freperick A. Knas. No. 1657. Published Septem- 
IDES 7. POCO. os, ou cicese eres fora ted yn Saale nee pete eaep ely cia tx ees 241 
A Contribution to the Knowledge of some South American Hymen- 
optera, chiefly from Paraguay. C.ScuHrotrKy. No. 1658. Pub- 
lished’ ebrtiaty. 4, 1G07 >. ....:'s <b Samos ciate erate ay Seueiena tome reriens 259 
Description of a New Squirrel of the Sciwrus prevosti Group from 
Pulo Temaju, west coast of Borneo. Marcus Warp Lyon, Jr. 
No. 1659. Published February 4, 1907. .2.:-% iy. emmy 275 
The Squirrels of the Sciurus vittatus Group in Sumatra. Marcus 
Warp Lyon, Jr. No. 1660. Published February 4, 1907.. 277 
A Study in Butterfly Wing-Venation, with special regard to the 
radial vein of the front wing. Tuomas J. HEADLEE. (PLATES 
LIX-Lx1.) No. 1661. Published February 4, 1907...... 284 
Some Noteworthy Extra-European Cyprinids. THEODORE GILL. 
No: 1662... Published Pebsuary. 4:) 10070. c inet i ees 297 
A Review of the American Volutide. Witt1AM HEALEy DALL. 
No. 1663.; Published) Pebruaty 4) 1007... naa cena ae 341 
INO TES Ne TOBA Ns c's: alate eleetretenees otoos oy es Aa tse aie ects eee ae 374 
The Breeding Habits of the Florida Alligator. ALBertT M. REESE. 
(PLatEs Lx1v-Lxv.) No. 1696. Published May 4, 1907.. 381 
Life Histories of Toadfishes (Batrachoidids) Compared with those 
of Weevers (Trachinids) and Stargazers (Uranoscopids). THEO- 
DORE /GICL.-: No.» 1607. > Publisheds May. <4, - 1007-22 see 388 
The Letter of Dr. Diego Alvarez Chanca, Dated 1494, Relating to 
the Second Voyage of Columbus to America (bemg the First 
Written Document on the Natural History, Ethnography, and 
Ethnology of America). ‘Translated, with notes, by A. M. FEr- 
NANDEZ DE YBARRA. (PLATE LxviI.) No. 1698. Published May 
Ais STA Ee ccs o eso 3 ata cee Ie ance pce eee 428 
The Origin of the So-called Atlantic Animals and Plants of Western 
Norway. LEONHARD STEJNEGER. (PLATES LxviI-Lxx.) No. 
1699. Published May 4, 4GG7: mec eine, oe ee coer 458 
Manners and Customs of the Tagbanuas and other Tribes of the 
Island of Palawan, Philippines. MANuEL Huco VENTURELLO, 
Translated by Mrs. Edw. Y. Miller. No. 1700. Published 
Naas 1907... «see ay eee eee ete ols pean eter oe On ee 514 
INGPESs | SINOL ZOD coi oeg ea ee cee oaks inact ele toe ase eee a 559 
1 S101 ah eo RRR Th Rm fe Snake Cone ae: 563 
