142 W. H. HARRIS ON MARINE MICROSCOPIC VEGETABLE ORGANISMS. 



I have arranged the list in chronological order, and it may- 

 prove useful to subsequent investigators of the subject : — 

 1852-54. QuECKETT, J. " Lectures on Histology," vols. i. and ii. 



London. 

 1855. Rose, C. B. " On the Discovery of Parasitic Borings in 

 I'ossil Fish-scales." {Trans. Mic. Soc, N.S., vol. iii., 

 p. 7.) 

 1859. Kolliker, A. '' On the Frequent Occurrence of Vege- 

 table Parasites in the Hard Structures of Animals." 

 {Annal. Mag. Nat. Hist., vol. iv. (3), p. 300.) 

 1876. Duncan, P. M. " On some Unicellular Algse, parasitic 

 within Silurian and Tertian Corals, with a notice of 

 their presence in Calcolina Sandalina, and other 

 Fossils." [Quar. Jour. Geol. Soc, vol. xxxii., p. 205.) 

 1881. Moseley, H. N. {Challenger Keports, Zoology, vol. ii., 



p. 30.) 

 1884. Waller, J. G. "On Parasitic Vegetable Organisms in 

 C^alcareous Particles of the Gabbard and Galloper Sands." 

 {Jour. Quek. Mic. Club, vol. i., Series II., p. 345.) 

 1888. Priest, B. W. *' On some Remarkable Spicules from 

 the Oamaru Deposit." {Jour. Quek. Mic. Club, vol. iii.. 

 Series II., p. 254.) 



1888. BoRNET, E., and Flahault. " Note sur deux nouveaux 



genres d'Algues Perf orantes." {Jour. Bot. , vol. ii., p. 1 6 1 .) 



1889. Bornet, E., and Flahault. " Sur quelques plantes 



vivants dans le Test Calcare des Mollusques." {Bull. 

 Soc. Bot. France, vol. xxxvi., p. 167.) 



1892, Batters, E. A. " On Conchocelis, a New Genus of 

 Perforating Algse." {Phycological Memoirs, London, 

 p. 25.) 



1892. Etherdige, R., Junr. "On the Occurrence of Micro- 

 scopic Fungi, allied to the Genus Palseachyla Duncan 

 in the Permo-Carboniferous Rocks of New South 

 Wales and Queensland. {Rec. Geol. Survey, If.S.W., 

 Part III., p. 95.) 



Their Place in Nature. 

 The exact position in the vegetable kingdom occupied by these 

 organisms has not, so far, been definitely determined, but they 

 have been placed among the Thallogens. 



