6$$/} IV. Ccelententta. 
[1912] 
Pax, Ferdinand. Revision des typee 
des actirties d^crites par Quoy et 
G’aiinard. Ann. sci. nat. (zool.) Paris 
(s<hv 9) 16 1912 (310-323). 96 
P«i¥, F. vide Laackmann, Hans. 
P4rez, Charles. Une tubulaire herm- 
aphrodite. Paris C. R. soc. biol. 73 1912 
(1088-1090). 97 
Po£ta, F. Ueber eineStromatoporoide 
aus bohmischein Devon. -j Glathro- 
di^tyonarten. Prag V6stn. Krai. (5esk6 
Spoi. Nauk 1910 No. 12 (7) 1 Taf. 98 
Reukauf, E. Selbstumstiilpung find 
Armamputation durch ein Wimperiu- 
fusor (Prorodon teres ) bei Hydra fusca. 
Zool. Anp., Leipzig 39 1912 (419-420). 4 
99 
Ritchie, J. Some Northern Hydroid 
zoophytes obtained by Hull Trawlers ; 
with description of a new species of 
Plnmularian. Proc. R. Phys. Soc. 
Edinburgh 18 1912 (219-230). 100 
Ritchie, J. Two rare Corals and 
Polyzoa from Rockall. Scottish Nat. 
Edinburgh 1912 1912 (281). 101 
Rittenhouae, Samuel. The embryology 
of Stomotoca apicata. J. Exp. Zool. 
Philadelphia Pa. 9 1910 (333-348). 102 
Ruedemann, Rudolph. The Lowei 
Siluric shales of the Mohawk valley. 
Albany Educ. Dept. N. Y. St. Mus f Bull. 
No. 162 1912 (1-151) pis. i-x. 103 
Sapmundsson, B. Bidrag til Kund- 
skaben om de islandske Hyaroider. ii. 
[Contributions to the knowledge of the 
Icelandic liydroids.] Kj^benhavn Nath. 
Medd. 63 1912 (67-107). 104 
Schaxel, Julius. Weitere Untersu- 
chungen uber die Eibildung der Meduse 
Pelagia. Jenaisclie Zs. Natw. 48 1912 
(479-488) 1 Taf. 105 
Schepotieff, Alexander. Hydrom6- 
dusae u. Scyphomedusae fur 1910 nebst 
Nachtragen zum Bericht fur 1909. 
Arch. Natg. Berlin 77 (1911) Bd 6 H. 2 
- JBer. Natg. nied. Tieye Berlin 1910 
Ef, 2 : JL913 (65-122). . , 106 
Schepotieff, A. vide Laackmann, Hans. 
Schttnborn, E. Graf v. 0ber die 
Qxydationsprozesse bei der Regeneration 
una Heteromorphose von Tubularia. 
Zs. Biol. Miinchen 58 1912 (97-109). 107 
SchuhQt?, II. 1st Tricjipplax die 
umgewandelte Rlanula ciner llydrome- 
duse? . Zool. Anz. Leipzig 39 , 1912 
(582-^85). 108 : 
Seale, Alvin. The fisliery resources 
of the Philippine islands. Part 4. 
Miscellaneous marine products. Precious 
corals ■ (Alcyonaria), etc. Philippine J. 
Sci. Manila I). Gen. Biol. Eth. Anthrop. 
6 1911 (283-320) pis. i-xii. 109 
Shaun, E. W. Observations on some 
Alcyonaria from Singapore, with a brief 
discussion on the classification of the 
family Nephthyidae. London Proc. 
Zool. Soc. 1912 1912 (505-527) 3 pis. 
110 
Shinier, H. W. vide Clapip, C. H. 
Smith, Burnett. Observations on the 
structure of some coral beds in the 
Hamilton shale. Philadelphia Proc. 
Acad. Nat. Sci. 64 1912 (446-454) pis. x 
xi. HI 
Smith, James Perrin. The occurrence 
of coral reefs in the Triassic of North 
America. Amer. J. Sci. New Haven 
Conn. 33 1912 (92-96). 112 
Spencer, Baldwin. On the structure 
of Hologloea dubia, an organism of 
doubtful affinity. Melbourne Proc. R. 
Soc. Viet. N.S. 21 Pt. 2 1909 (401-409) 
pis. xxiv-xxv. 113 
Stechow, E. Hydroiden der Miin- 
chener Zoologischen Staatssammlung. 
Zool. Jahrb. Jena Abt. f. Syst. 32 1912 
(333-378) 2 Taf. 114 
. . l r i 
Stechow, E. On the occurrence of 
a Northern Hydroid Ilalatracpus ( Gory - 
morpha) nanus (Alder) at Plymouth. 
Plymouth J. Mar. Biol. Ass. 9 1912 (404- 
406) pi. 115 
Stiasny, Gustav vide Neppi, Valeria. 
Taylor, T. H. An Aid in the Study 
of Nematocysts. Proc. R. Phys. Soc. 
Edinburgh 18 1912 (235-240). 116 
Thomson, J. Arthur. A new type of 
alcyonarian. Proc. 7th Int. Zool. Cong 
Cambridge Mass. 1912 (826-827). 117 
Thomson, J. S. Observations on - 
living Gorgonias ( Gorgonia verrucosa ) 
occurring in the English Channel. 
Ann. Mag. Nat. Hist. London 10 1912 
(479-483). 118 
Torrey, Harry Beal. Aspects of 
regeneration in Corymorpha. Proc. 7th 
Int. Zool. Cong. Cambridge Mass., 1912 
(517-518). . 119 
