1910.] FROM MERGUI ARCHIPELAGO. 8'2;) 



Lamouroux, 1816. Histoire des polypiers coralligcnes llexibles 



vulgairemeut noinmes Zoojihytes. Caen. 

 Lendenfeld, 1885. Proc. Linn. Soc. N. S. Wales, (188-4) vol. ix. 

 LiNN.EUS, 1858. Systenia Natural Ed. x. 

 Marktanner-Turneretscher, 1890. Ann. naturh. Hofmus. 



Wien, vol. v. 

 Nutting, 1904. " Americnn Hydroids," Spec. Bull. Smithsonian 

 Inst. U.S. Nat. Mns. Washington. 

 1905. Bull. U.S. Fish Comm., vol. xxiii": 

 Pictet, 1893. Rev. Suisse de Zool., vol. i. 

 Ritchie, 1907. Proc. Zool. Soc. London, 1907, vol. ii. 

 ,, 1909 a. Trans. Roy. Soc. Elinburgh, vol. xlvii, 



1909 h. Ann. Mag'. Nat. Hist. (8) vol. iii. 

 „ 1909 c. The Zoologist, (4) vol. xiii. 



Stechow, 1909. Abh. K. Bayer. Akad. Wissens., 1 Suppl.-Bd., 



6 Abh., Miinchen. 

 Thorxely, 1904. " Hydroida," in Herd man, Report on the Pearl 

 Oystei' Fisheries of the (lulf of Manaar, 

 Suppl. Rep. viii. 

 ,, 1908. Jour. Linn. Soc. London, Zool. vol. xxxi. 



Warren, 1906. Ann. Natal Gov. Mus., vol. i. part 1. 

 . „ 1907. Ihid., vol. i. part 2. 



1908. Ihid., vol. i. part 3. 



1909. /6t(^., vol. ii. part 1. 



Weismann, 1883. Die Entstehung der Sexualzellen bei den 



Hydromedusen. Jena,. 

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EXPLANATION OF THE PLATES. 



Plate LXXVL 



Fig. \. Cnrydendrinm sessile, sp. n. Complete colony. About iiat. size. 



2. „ „ Portion of branch with hvdvanths. X 25 



3. Cah/cella olii/isfa, sp. n. Hvdrotheca and Ijydranth. X 230. 



4. '„ ., ' „ " „ 



5. Lafoea vennsta Allman (?). Hvdrotheca and liydranth. X 60. 



6. 



Plate LXXVK. 



Fig. 7. T/ii/rost\i/pJit(s regularis Jaderholm. Portion of branch witli hydrotlieca 

 and gonangium. X 25. 



8. Vusptdella costata Hincks. Hydrotheca, showing character of annular 

 markings. X 70. 



0. Sertidarclla cj/lindrica, xnr. pusilla, iw\. Portion of stem, with hydro- 

 theca;. X 46. 



10. Haleciiim simplex Pictet. Trophosome and gonosome. X 70. 



11. „ ,, Hydrotheca, showing internal chitinous pro- 



jections. X 310. 



12. HertularcUa qiindridens Bale. Showing variation in remoteness of 



hydrotheca'. (a) Proximal portion of branch, (b) Distal portion of 

 same branch. Each X 19. 



