VI 11 



CONTENTS. 



PAGE 



II. Rhind (William), Esq., on the Irregularities of the Earth's - 

 Surface, and the Probable Mean Line of the Terraqueous 

 Circumference (with Diagram), . . . 149 



III. Macdonald (Professor W.), A Wernerian Examination of the 



Six Points of Pluto-Huttonism, . . .152 



March 23, 1864. 



I. Wright (T. Strethill), M.D., Observations on British Zoophytes 

 and Protozoa — 1. On the Structure and Reproduction of 

 Turneria, a new Rhizopod ; 2. On the Prehensile Apparatus 

 and Sting Cells of Cydippe ; 3. On the Stem- Canals of Tubu- 

 laria indivisa, . . . . . .153 



II. Taylor (Andrew), Esq., On the Geographical Distribution of 

 the Marine Invertebrata in past time, considered in relation 

 to the Doctrine of the Secular Cooling of the Earth, . 159 



III. Peach (Charles William), Esq., A List of Land and Fresh- 



water Shells found in the County of Caithness, . . 161 



IV. Macdonald (Professor), On the Homology of the Vertebrate 



Cranium, . . . . . .164 



April 27, 1864. 



I. Stevenson (William), Esq., On the Origin of Granite. Com- 

 municated by George Logan, Esq., W.S., . . 165 

 II. Taylor (Andrew), Esq., On the Water which permeates through 



Strata, considered as a Dynamic Power, . . 173 



III. Smith (John Alex.), Notes of the recent occurrence of some 

 of our rarer Birds. (With exhibition of Specimens.) 1. 

 Anthropoides virgo (Numidian Crane) ; 2. Syrrhaptes para- 

 doxus (Pallas' Sand- Grouse) ; 3. Falco subbuteo (Hobby) ; 

 4. Pernis apivorus (Honey Buzzard) ; 5. Bombycilla garrula 

 (Bohemian Waxwing) ; 6. Botaurus stellaris (Common 

 Bittern) ; 7. Botaurus lentiginosis (American Bittern) ; 

 8. Mergulus melanoleucos (Rotche or Little Auk) ; 9. Circus 

 cyaneus (Hen Harrier) ; 10. Parus cristatus (Crested Tit- 

 mouse) ; 11. Loxia curvirostra (Common Crossbill); 12. 

 Alauda arvensis (Sky-Lark— a black variety) ; 13. Pha- 

 laropus lobatus (Grey Phalarope), . . . 176- 



