212 PAL^ONTOLOGICAL WORKS. 



PORIFERA. 



G. J. Hinde. Catalogue of the Sponges in the Geological Depart- 

 ment of the British Museum (Natural History). 1883. 



G. J. Hinde. A Monograph of British Fossil Sponges. 1887- . 

 (Palseont. Soc.) 



W. J. Sollas. On the structure and affinities of the Genus 

 Siphonia. Quart. Journ. Geol. Soc. Vol. xxxm. (1877), p. 790. 



HYDROZOA. 



C. Lapworth. On the geological distribution of the Khabdophora. 



Ann. Mag. Nat. Hist. ser. 5, Vol. in. (1879), pp. 245, 449 ; 



Vol. iv. (1879), pp. 333, 423 ; Vol. v. (1880), pp. 45, 273, 358 ; 



Vol. vi. (1881), pp. 16, 185. 

 C. Lapworth. On Scottish Monograptidae. Geol. Mag. dec. 2, 



Vol. II. (1876), pp. 308, 350, 499, 544. 

 J. Hopkinson and C. Lapworth. Descriptions of the Graptolites of 



the Arenig and Llandeilo Rocks of St David's. Quart. Journ. 



Geol. Soc. Vol. xxxi. (1875), p. 631. 

 H. A. Nicholson. A Monograph of the British Graptolitidse. Part I. 



General Introduction. 1872. 



J. Hall. Graptolites of the Quebec group. (Figures and descrip- 

 tions of Canadian Organic Remains. Dec. n.). 1865. 

 H. A. Nicholson. A Monograph of the British Stromatoporoidea. 



1886-1892. (Palseont. Soc.) 



ACTINOZOA. 



H. M. Edwards and J. Haime. A Monograph of the British Fossil 

 Corals. 1850-54. (Palseont. Soc.) 



P. M. Duncan. A Monograph of the British Fossil Corals. (Sup- 

 plement to the preceding.) 1866-72. (Palseont. Soc.) 



P. M. Duncan. A Revision of the families and genera of the Sclero- 

 dermic Zoantharia, or Madreporaria. Journ. Linn. Soc. (Zool.) 

 Vol. xvin. (1885), pp. 1-204. 



H. A. Nicholson. On the structure and affinities of the "Tabulate 

 Corals " of the Palaeozoic Period. 1879. 



