1898.] MICROSCOPICAL JOURNAL. 181 



3. Asclepias, stained to show pitted ducts and spirals 

 and not later tubes. 

 62. Clematis virg-iniana. First and second year's 

 g"rowth. 

 72a. Cycas revoluta. Leaf. 

 78. Leaf*steam of canna — radial structure and stellate- 

 parenchyma. 

 86. Fern root. Dicksonia punctulata. 

 133. Leaf of Trias elastica, showings cystoliths. 

 234. Lillium reseum. Cross and surface sections of 



leaf. 

 238. Spirals of ricenus. 



253. Transverse and long-itudinal sections of muUen. 

 255. Nuphar advena. 

 274. Fern, Osmunda cinomonia. 



280. Ovary of Onothera. Transverse section. 



281. " " Longitudinal " • 

 305. Phytalacca. Epidermis of leaf. 



320. Sasifras cut thick necessarily to show pitted ducks. 



321. Sycamore. 



309. Pauperia. Soapwood from Brazil. Full of crystals. 

 421. Zoa. Indian corn. Long-, and Tr. sections. 



Rotifers. — During- the warm days of June 16-18 the 

 Asplanchna priodonta, was found by S. J. Hickson of 

 Owens College, Manchester, England, in the surface 

 waters of Lake Bassenthwaite in great abundance. He 

 dragged a small tow-net from a row-boat for 20 minutes 

 and the water collected in the bottle at the end of the net 

 was rendered turbid by the multitude of individuals. 

 Probably he would respond to calls for exchange of 

 specimens. 



American Microscopical Society. — At its recent annual 

 session, it elected the following officers for the ensuing 

 year : President, Dr. William C. Krauss, of Buffalo; first 

 vice-president. Professor A. M. Bleile, of Columbus, O.; 

 second vice-president, Dr. G. C. Huber, of Ann Arbor, 

 Mich .; Secretary, Professor Henry D. Ward, of Lincoln, 

 Neb.; Treasurer, Magnus Pflaum, of Pittsburg; Execu- 



