28 Jottings hj a Student of Eeterogeny. \_''!::^l^XnT^t 



from round green cells to jjerfect Oscillatoria. Tubules witli separate 

 chlorophyll ( Lyngbya ?). 



May 21st. — Oscillatoria attached to moss. 



June SrcZ.— Oscillatoria from horse trough. On an ii-on tube 

 adjoining, tubes with chlorophyll more distinct. 



June 7th. — Oscillatoria from a running tap, Gleocapsoid double 

 cells enclosed in transparent utricle. 



June 22nd. — Green slime on a leaking tank, round, oval, and 

 nucleated cells. Gleocapsoid double cells, Oscillatoria and tubules 

 containing separated chlorophyll (Lyngbya ?). 



June 24:th. — Sui-face of a stagnant pool which in a recent state 

 would contain Euglena. A film of Oscillatoria filaments of every size 

 from smaller to full-sized Lyngbya. 



June 2^Jth. — Oscillatoria from a dripping tap, with evident Lyngbya. 



Lyngbya containing moss tubules. 



Sept. 5th. — On surface of green slime Euglena Oscillatoria and 

 chlorococcus. 



SeiJt. 2oth. — Oscillatoria containing Lyngbya, moss tubules and 

 branched tubes. 



June 18th. — Oscillatoria and Lyngbya in the same patches at 

 bottom of a wall. 



Aug. 21th. — Lyngbya of every size, containing branched tubes of 

 moss. 



Of Euqlena, see " Jottings," Exp., March 5th, 1868, and April 20th, 

 April 15th, April 28th, Aug. 20th, May 4th, May 6th, May 10th, 

 May 11th, 1868. 



March 26th, 1869. — Euglena of all shapes and with vacuole, some 

 becoming transparent, as if to pass to Convallaria. 



April 11th. — In Conferva rivularis (April 9th) Monas freely floating 

 in water, and very small Euglena with vacuole ; after a few minutes 

 saw from 50 to 100 perfect but small Euglena pass thi-ough a hole in 

 the tube of Conferva rivularis, whose vacuole contained many more. 



Oct. 2oth. — A bottle containing 1^ drachm of citric acid, in 6-oz. 

 water (14 days), contains Mucedo granules outside tube. Filaments 

 small. 



A bottle containing potassic nitrate and antimonic tartrate in 6-oz. 

 water (10 days) contains Mucedo granules inside and outside tube. 

 Larger filaments 



^ inch air in each bottle, corked and tied over. 



A bottle containing plumbic acetate one month. No Mucedo. 



A bottle containing hydrargyric bichloride six months. No Mucedo. 



A bottle containing Liq. Bismuth six months. Eoimd plants of 

 Mucedo. 



Of Vibrio, see " Jottings," Part L, Exp., March 5th, 1868 ; 

 g. April 13th, 15th, 17th, 21st. 



Sept. 11th, 1869. — Water containing green slime from a stone 

 pavement near a running tap (Sept. 13th). Masses of germinal matter, 

 composed entirely of Vibrions. Central Vibrio still ; free at edges. 



