INVEKTEBRATA. 329 



of flints from the Irish Chalk. Most of these (69 species) are Forami- 

 nifera ; and besides these, 11 species of Ostracoda, 33 forms of sponge- 

 spicules, Corals, and Polyzoa. H. A. N. 



Wright, Joseph. A List of the Cretaceous Microzoa of the North 

 of Ireland. Proc. Belfast Field Club, ser. ii. vol. i. pt. 1, 

 App. iii. pp. 73-99, plates ii., iii. 



Introductory note, pp. 73^-75. List of localities from which Chalk 

 Microzoa have been obtained, 76-80 : these localities number 36. List 

 of the Microzoa, 81-91 : over 120 named species, and in all 151 

 diiFerent kinds. 6 new species of Cythere and 3 of Foraminifera (all 

 Jones, MS.) are noticed, but not described ; of these, Cythere Wrightii 

 and Kamulina (n. gen.) hrachiata are figured. Table showing the geo- 

 graphical distribution in the North of Ireland of the Cretaceous 

 Microzoa, 92-99 : with a column for each of the 36 localities. W. W. 



Wright, Dr. Thomas. Monograph of the British Fossil Echinoder- 



mata of the Cretaceous Formations. Vol. i. part 7. On the Echino- 



conidae, Echinonidae, Echinobrissidae, Echinolampadse, and Spatan- 



gidae, pp. 225-264, pis. liii.-lxii. Pal, Soe. 



Defines the families Echinonidae, Echinobrissidae, Echinolampadae, 



and Spatangidae, and the genera Holectypus, Pyrina, Catopygus, Cly- 



peojpygus, Trematopygus, Echinobrissus, Caratomus, Pygurus, and He- 



miaster. 16 species are described, of which the following are new — 



Holectypus bistriatus, Catopygus Vectensis, Clypeopygus Fittoni, and 



Trematopygiis Faring do7iensis. H. A. N. 



. On the occurrence of the Genus Cotylederma in the Middle 



Lias of Dorsetshire. Geol. Mag. dec. ii. vol. ii. pp. 505, 506. 



Gives an account of previous researches as to Cotylederma, and notes 

 the occurrence of an example of this genus in M. Lias between Lyme 

 Regis and Charmouth. H. A. N. 



Young, Prof. John, and John Young. On New Carboniferous 

 Polyzoa. Arm. Nat. Hist. ser. 4, vol. xv. pp. 333-336, pis. ix., 

 ix. bis. 

 Transfer Ceriopora rhombifera, PhilL, to their new genus RTiabdo- 

 meson, and at the same time show that C. similis, Phill., and C. inter- 

 porosa, PhilL, are of a difi'erent nature, and may be left in the genus 

 Ceriopora. Give a full description of Mhabdomesori rhombiferum, and 

 describe the new species Thamyiiscus ? Rankiiii, from the L. Carboni- 

 ferous rocks of the West of Scotland. H. A. N. 



Young, John. Remarks on an Arctic Shell-bed at Cartsdyke. Proc. 

 Nat. Hi»t. Soc. Glasg. vol. ii. part 1. 



Describes several species of Polyzoa obtained, one of which is referred 

 to the genus Idmonea, not before found in any of the W. Scotland 

 arctic beds. J. E. T. 



