Zoology. 237 



Silicea.— C//a//V/rt oculata has been recorded from Belfast 

 Lough, and is probably generally distributed along the 

 coast; Thompson says that C. cervicornis has been taken 

 in Belfast Lough by Templeton and Hyndman, but Dr. 

 E. P. Wright thinks that the specimens were probably 

 Axinella stuposa. Pachychalina limbata has been found on 

 the coast of Down. Jrlalichoiidria panicea is common every- 

 where ; II. a}fii>ii:;iia., JI. cadiica, //. fallaciosa, and //. )-eii- 

 culata have been taken in Strangford Lough by Norman, and 

 H. coccinca in Belfast Lough by Mr. T. Higgin of Liverpool. 

 Reniera simula)is is probably generally distributed ; R. per- 

 mollis and R. simp/ex have been found in Strangford Lough 

 by Norman ; and R. luteosa was described by Bowerbank 

 from a specimen also found in this lough by Norman. Esperi- 

 opsis fucorum is not uncommon on fuci, etc. ; E. gracilis \sz.% 

 described by Bowerbank from specimens obtained in Larne 

 Lough by Dickie; E. Tho//pso/ii 3.nd E. imitata from speci- 

 mens obtained in Belfast Lough by Thompson. Esperella 

 floreci has been found in Strangford Lough by Dickie. Ue/i- 

 do?yx inai/sia?is is abundant on the coast ; E>. Dickiei and 

 D. Patfcrsoni were described by Bowerbank from specimens 

 obtained in Strangford Lough by Dickie; D. Di/jardi/ii, 

 lopko/i >iig?-ica/is and PIiimohalicJioudi-ia Kenti have also 

 been found in this lough. Alicrocioiia armaia was described 

 by Bowerbank from specimens obtained in Belfast Lough by 

 I)ickie ; Pocillon Hy/idmani, Spanioplon armafurum, and 

 Plocamia coriacea from specimens found in Strangford 

 Lough by Hyndman, Dickie, and Norman respectively. 

 Raspailia hispida and R. Howsei have been found in Strang- 

 ford Lough, and Ophlitaspongia seriaia is recorded by 

 Thompson from the coast of Lown. Hy7neniacidon sangiii- 

 nein/i, Siiiieriit's dominiciila, and .V. ca?-/iosus are common in 

 suitable localities ; and S./ari/iuriuswas described by Bower- 

 bank from specimens on vahes of Pecten opetrii/aris found 

 in Belfast ]>ough by Thompson, and has since been 

 found in Strangford Lough. Polyinasiia viajn7/iii/afis was 

 found by Templeton on the rocks at ^^'hitehouse Point, 

 and has been obtained in Larne and Strangford Loughs; 

 Ciio/ia celata is common ; Tethya lyncm-ium was recorded 

 from Strangford Lough by Thompson : Peiosella pulchella is 



