CONTENTS. 
Page. 
Dr. H. A. Hagen. Larvae of Insects discharged through the Urethra (eon- 
cluded) . : 5 : + peel 
Birds swarming after White Ags : obs SUES pees 
General Meeting, December 4, 1878. . 4 119 
Dr. S. KNEELAND. Traces of the Mediterranean Nations j in the Noxthens 
Ocean : : ; : : : Pha 6 
General Mee Deceit ee ‘18, 1878. : : ; : : a tae. 
Section of Entomology, December 27, 1878 Se : : : =e 
Dr. H. A. Hagen Remarks on White Ants : : é 5 «2 ASR 
General Meeting, January 1,1879. . . : . Sk 
General Meeting, January 15,1879. . : . 124 
President Bouvsé. Remarks on the death of Dr. J. B. Ss. Jagan ; . 124 
Election of Members . 5 129 
Prof. N. S. SHALER. Evidences of a Gratis Passes fons Sclimestee ; 
to Voleanic Rocks in the Brighton District . 5 ts eee ~ a2s 
Section of Entomology, January 22, 1879 . 3 ; ; ; - 134 
Dr. H. A. HaceEn. - Flies froma Petroleum Lake . = 4: eae . 134 
General Meeting, February 5, 1879. . 5 136 
Mr, W. O. Crosspy. Occurrence of Fossiliferous Boulders in the Drift of ; 
Truro, Cape Cod . ; : 136 
Dr. T. StERRY Honr. Rene on the Precasnbinin Rooks of ‘Ge. 
Britain’ 4 5 : : : : : . 140 
General niecine. RebeRaNy 19, 1879 ; : 5 3 ; ; . 142 
General Meeting, March 5, 1879. . : : : See 
Election of Members - . age 
Mr. W. H. Patron. Synopsis af the New ‘Snplatd Snesies of Colletes . 142 
Mr. J. 8S. Kinestey. Notes on N. American Decapoda . , : > MS 
Mr. W. O. Crosspy. A Possible Origin of Petrosilicious Rocks : .» 160 
Mr. B. D. HaustEp. American Species of Characeze  . ‘ : . Sees 
Dr. Cuartes S. Minor. Growth asa Function of Cells. . . “. 196 
_ General Meeting, March 19, 1879 : 3 : : é 5 . 202 
General Meeting, April 2, 1879 : : : : - 202 
Dr. C. S. Minor. On Certain Laws of Histological Differentiation : aay 4 
Rev. GEORGE FRED. WR RIGHT. The Kames and Moraines of New Eng- 
land . i é : ee tied thf 
Mr. WARREN UPHAM. aera Dr ift of Rosen Sait Vicinity : z . -220 
oF Sass ees 
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