45(5 



INDEX. 



locality, 280; Menaccanite and Talc 

 from Maryland, 292; Sunstone in 

 Labradorite, 2.-t2. 



Kelly, H. A., Sartorius Muscle of the 

 Gorilla, 128. 



King, Dr. Wm. M., Announcement of 

 death of, 134. 



Kingsley, .J. S., Carcinological Notes, 

 No 1, o4 ; Carcinological Notes, No. 

 2, Revision of the Gelasimi, 12, 1.35 ; 

 Carcinological Notes, No. 3, 179; 

 Carcinological Notes, No 4, 134, 

 187. 



Kcenig, Geo. A., Notes on .Jarosite, 

 231. 



Lautenbach, B. F., Announcement of 

 death of, 226. 



Laporte. Count de Castelnau, An- 

 nouncement of death of, 150. 



Lea, Isiac, Resolution of thanks for 

 Portrait of, 159. 



Leidy, Jos., Notice of the Cruel Thread 

 Worm, Filaria immitis, of the Dog, 

 1" : On a Filaria reported to have 

 come from a Man, 130 : Remarks 

 on Pond Life, 156: Rhizopods in 

 the Mosses of the Summit of Roan 

 Mountains, N. C, 332, 333 ; Bone 

 Caves of Pennsylvania, 346 : The 

 Parasites of the Termites, 351, 354 ; 

 Remarks on Bathygnathis borealis, 

 351, 354 : Report" of Curators, 410. 



Lewis, H. C, A new Polariscope, 241 : 

 A Garnet with inverted crystalliza- 

 tion, 241 ; A new locality for Sider- 

 ite. 242; Magnetite Markings in 

 Muscovite, 242 ; A new locality for 

 Asbolite, 243 ; Epidote in Molyb- 

 denite, 243 ; The optical characters 

 of some Micas, 244; On the Meas- 

 urement of Plane Angles, 252; On 

 an Exfoliated Talc. 252; Tin in 

 North Carolina, 253 ; On Siderophyl- 

 lite — a new mineral, 254; On Ster- 

 lingite and Damourite, 2.56 ; Vana- 

 dium in Philadelphia rocks, 256; A 

 new locality for Kp<omite, 257 ; The 

 surface geology of Philadelphia and 

 viciuity, 258 ; On the Bryn Mawr 

 Gravel, 277 ; On some enclosures in 

 Mica, 278; On Dendrites, 278; On 

 a Jurassic Sand, 279; The Minei-als 

 of Surry County, N. C, 280; A new 

 locality for Lignite, 281 ; On Ser- 

 pentine in Bucks Co., 281 ; The Iron 

 Ores and Lignite of the Montgomery 

 Co. Valley, 282; An enclo-ure in 

 Quartz, 292 ; On a new Fucoidal 

 plant from the Trias, 29:;; The 



Trenton Gravel and its relation to 

 the Antiquity of Man, 296; Note on 

 Philadelphite — a new mineral, :>10 ; 

 On Philadelphite, 313; A Potsdam 

 Sandstone Outcrop on the S. Valley 

 Hill of Chester Valley, 329. 



Lippincott, .loshua, Announcement of 

 death of, 355. 



Lockington, W. N., On the Pacific 

 species of Caulolatilus, 13 ; On a 

 new species of Hemitripterus from 

 Alaska, 134, 233 ; Description of a 

 new species of Catostomus (C. cypho) 

 from the Colorado River, 156, 237. 



McCook, Rev. H. C, Note on a new 

 Northern Cutting Ant (Atta septen- 

 trionalls), 859 ; The Shining Slave- 

 maker — Notes on the Architecture 

 and Habits of the American Slave- 

 making Ant (Polyergus lucidus), 

 376. 



Martindale, Isaac C, Sexual variation 

 in Ca«tanea Americana, 351. 



Meehan, Thos., On disarticulating 

 branches in Ampelopsis, 9 ; Germi- 

 nation in Acorns, 128; On the 

 Timber line of high mountains, 341 ; 

 Dimorphic flowers in Houstonia, 

 349; Cleistogamy in Oxalis aceto- 

 sella, 350; Sexual variation in Cas- 

 tanea Americana, 351 ; Rain Trees 

 — Note on Yucca gloriosa, 355 ; 

 Dioecism in Andromeda catesbtei, 

 356; Note on the Seed-ves-els of 

 Wistaria, 358 : Report of Botanical 

 Section, 418. 



Mineralogical and Geological Section, 

 Proceedings of. 159, 241 : Report 

 of, 422. 



Nolan, Edw. J., Report of Recording 

 Secretary, 406 : Report of Librarian, 

 408. 



Officers for 1881, 



Parker. Chas. F., Report of Curator in 

 Charge. 410. 



Potts, Edw., Fresh-water Sponges of 

 Fairmount Park, 330 ; On Fresh- 

 water Sponges. 356 



Proceedings of the Mineralogical and 

 Geological Section of the Academy, 

 for the years 1877, 1878 and 1879, 

 150, 241. 



Rand, Theo. D., Serpentine belts of 

 Radnor Township, Del. Co., 225; 

 Change of Serpentine into Quartz, 

 241 ; A new locality for Millerite, 

 243 ; A new locality for Gypsum, 

 252 ; On a belt of Steatite and Ser- 

 pentine in Radnor, Del. Co., 273; 



