6 OoeL 
COLLENTERATA. 
HYDROZOA. 
1. Agassiz, A. On Hackel’s theory (Allieogenesis) of the genetic con- 
nection between the GeryonidcB and u^ginidce. Am. J. Sci. (3) xi. 
pp. 420 & 421 ; Ann. N. H. (4) xvii. p. 481. 
2. Allman, G-. J. On the structure and development of Myriothela. 
Phil. Tr. clxv. pp. 549-575, pis. Iv.-lviii. (Abstr., Arch. Z. expdr. v. 
pp. Iviii.-lxii.). 
3. . Diagnoses of new genera and species of Ilydroida. J. L. S. 
xii. pp. 251-284, pis. ix.-xxiii. 
4. . Descriptions of some new species of Hydroida from Kerguelen’s 
Island. Ann. N. H. (4) xvii. pp. 113-115. 
Of the author’s paper on Stephanoscyphus^ an abstract is inserted in 
Arch. Z. exp^r. v. p. Ivi. 
5 Clark, S. F. Report on the Hydroids collected on the coast of 
Alaska and Aleutian Islands by W. H. Dali, U. S. Coast Survey, and 
party. P. Ac. Philad. 1876, pp. 209-238, pis. vii.-xvi. (Scientific 
results of the exploration of Alaska, i. pp. 1-34, pis. i.-x., Washing- 
ton : 1876.) 
6. . Descriptions of new and rare species of Hydroids from the 
New England Coast. Tr. Conn. Ac. iii. pp. 58-66, pis. ix. & x. 
7. CouGHTREY, MiLLEN. Critical notes on the New Zealand Hydroida, 
sub-order Thecophora. Ann. N. H. (4) xviii. pp. 22-32, pi. iii.* 
8. Gerbe, Z. D^veloppement et metamorphoses du Coryna squamata. 
J. Auat. Phys. xi. pp. 441-451, pis. xi.-xiii. 
9. Grenacher, H., & Noll, F. C. Beitrage zur Anatomie und Syste- 
matik der Rhizostomeen. Abh. senck. Ges. x. pp. 119-180, pis. 
i.-viii. 
10. Grobben, C. XJeber Podocoryne carnea, Sars. (Arbeiten aus dem 
Zoolog. vergl. anat. Inst. Wien, ii.) ; SB. Ak. Wien, Ixxii. pp. 1-33, 
pis. i. & ii. 
11. Harting, P. Zoologische Antekeningen gedurende en verbliif te 
Scheveningen. Tijdschr. Nederl. Ver. Dierk. i. p. 203 et seq., pi. 
(Abstr., Niederl. Arch. Zool. iii. pp. 278) [cf. Zool. Rec. xii. p. 560]. 
12. Kirchenpauer, G. H. Ueber die Hydroidenfamilie Plumularidve, 
einzelne Gruppen derselben und ihre Fruchtbehalter. II. Plumularia 
and Nemertesia. Abh. Ver. Hamb. vi. pp. 1-59, pis. i.-viii. 
13. Koch, G. von. Mittheilungen fiber Coelenteraten. 2&3. Morph. 
JB. ii. pp. 83-86, pi. iv. 
* A paper on the same subject, “Notes on the New Zealand Hydroideae,” by 
the same author, in Tr. N. Z. Inst. vii. pp. 281-293, pi. xx. (1874), is unknown to 
the Recorder ; also a paper by Capt. Hutton, “ On the New Zealand Sertula- 
rians,” Tr, N. Z. Inst. v. (1872). 
