8 Cod. 
IV. Coelenterata. 
[1910] 
Nutting, C. C. The Gorgonacea of 
the Siboga Expedition. IV. The 
Plexauridae. Livr. 48 Monogr. 13 bl 
Leiden (E. J. Brill) 1910 (1-20) pis. i- 
iv. 33 cm. 101 
Nutting, C. C. The Gorgonacea of 
the Siboga Expedition. V. The Isidao. 
Livr. 50 Monogr. 13 b2 Leiden (E. J. 
Brill) 1910 (1-24) pis. i-vi. 33 cm. 102 
Nutting, C. 0. The Gorgonacea of 
the Siboga Expedition. VI. The 
Gorgonellidae. Monogr. 13 1 ' 3 Livr. 52 
Leiden (E. J. Brill) 1910 (39) 11 pis. 
103 
Nutting, C. C. The Gorgonacea of 
the Siboga Expedition. VII. The 
Gorgonidae. Monogr. 13 M Livr. 54 
Leiden (E. J. Brill) 1910 (11)3 pis. 104 
Pace, S. and Pace, R. M. A biblio- 
graphy and review of recent publica- 
tions relating to the biology of the 
British and neighbouring Marine areas 
( i.e ., of the North Atlantic and Arctic 
Oceans, Mediterranean Sea, etc.). Lon- 
don Bureau of Brit. Mar. Biol. 1910 
Ser. 2 Nos. 1 & 2 (not paged , titles 1- 
174). 105 
Parks, William Arthur. Silurian 
Stromatoporoids of America. Toronto 
Stud. Univ. Geol. Ser. 1 No. G 1909 
(1-62) pis. xvi-xx. 106 
Parks, W. A. Ordovician Stromato- 
poroids of America. Toronto Stud. 
Univ. Geol. Ser. No. 7 1910 (1-52) 
pis. xxi-xxiv. 107 
Parona, C. F., Crema, C. and Prever, 
P. L. La Fauna Coralligena del Cre- 
taceo dei Monti d’Ocre nell’Abruzzo 
Aquilano. Roma Mem. serv. desc. 
Carta Geol. d’lt. R. com. Geol. Regno 
5 1 1909 (1-242) pis. i-xxviii. 108 
Pax, Ferdinand. Aktinien der Aru- 
Inseln. (Ergebnisse. e. Zool. For- 
schungsreiso v. H. Merton.) Frankfurt 
a. M. Abh. Senckehb. Ges. 33 1910 
(297-304) 1 Taf. 109 
Pax, F. Studien an westindischen 
Actinien. Zool. Jahrb. Jena Suppl. 11 
1910 (157-330) 9 Taf. u. 1 Karte. 110 
Pax, F. Diagnosen neuer westindi- 
scher Actinien. Zool. Anz. Leipzig 36 
1910 (176-179). Ill 
Pax, F. Die Steinkorallen der 
deutschen Siidpolar-Expedition 1901- 
1903. (Deutsche Siidpolar-Expedition 
1901-1903. Bd 12, H. 1.) Berlin 
(G. Reimer) 1910 (G3-7G) 2 Taf. 112 
Pesch, A. J. van. . Bijdragen tot de 
kennis van het genus Cirrhipathes. 
[Beitrage zur Kenntnis der Gattung 
Cirrhipathes.'] Leiden (E. J. Brill) 
(96 mit 5 Taf.). 32 cm. 113 
Pi6ron, Honri. L’6tudo exp6ri- 
mentale de 1’ anticipation adaptive. 
Paris C. R. Ass. fran9. avanc. sci. 
38 1910 (735-739). 114 
Prever, P. L. vide Parona, C. F. 
Przibram, Hans. Experimental- 
Zoologie 3. Phylogenese, inklusive 
Hereditiit. Leipzig und Wien Franz 
Deuticke 1910 (1-315) pis. i-xxiii. 115 
Przibram, Hans. Experimental- 
Zoologie. 2. Regeneration. Leipzig 
und Wien Franz Deuticke 1909 (1-338) 
pis. i-xvi. 116 
[Renngarten, V.] PeurapTen't, B. 
0 (J)ayiil> mLiioblixt, h THTOiicKnx r f. 
OTjroaceiiin wro-BOCTOunaro ^arecTana. 
[Sur la faune des depots cr6taces et 
tithoniques du Daghestan sud-oriental.] 
St. Peter burg Bull. Com. g6ol. 28 1909 
[1910] (637-G88 -J- R6s. fr. G85-G8G) 
Taf. xx-xxi. 1 117 
Richardson, L. The Inferior Oolite 
and Contiguous deposits of the South 
Cottcswoldes. Gloucester Proc. Cottas- 
wold Nat. F. Cl. 17 1910 (G3-13G). 118 
Ritchie, James. The Hydroids of the 
Indian Museum. J. The Deep-Sea 
collection. Rec. Ind. Mus. 5 1910 
(1-30) pi. iv. 119 
Ritchie, J. The Marine Fauna 
of the Mergui Archipelago, Lower 
Burma, collcted by Jas. J. Simpson, 
M.A., B.S.C., and R. N. Rudmose- 
Brown, D.Sc., University of Aberdeen, 
February to May, 1907. The Hydroids. 
London Proc. Zool. Soc. 1910 (799- 
825) pis. lxxvi & lxxvii. 120 
Ritchie, J. Hydroids from Christ- 
mas Island, Indian Ocean, collected 
by C. W. Andrews, D.Sc., F.R.S., 
F.Z.S., in 1908. London Proc. Zool. 
Soc. 1910 (826-836). 121 
Ritchie, J. Occurrence of Velella 
spirans , Eschscholtz, in Scottish Waters. 
Ann. Scot. Nat. Hist. Edinburgh 74 
1910 (121). 122 
Ritchie, J. Contribution to our 
knowledge of the hydroid fauna of the 
West of Scotland. Being aa account 
of collections made by Sir John Murray, 
