ACTINIA 11 



agree generally with the typical cra*icornis t to I have concluded to place them all 

 under Rkodactima crauicorni*, probably more nearly approximating to the variety 



MEMOIRS REFERRED TO IN TEXT. 



1. CJJUXIREX, 0. Zoautliarien ; Hamburg. Majralliaens. Sammelreise, Hamburg (1899). 



2. CAEtOtaur, 0. Die Actiniarien der Olga- Expedition, Wisst/nsch. Mecresnnter. Neue Folge, r. Bawl. 



Abt. HelgoUad (1902), Heft 1. 



3. < I.UBB, J. A. Actinue. Report on the ' Southern Cross ' Antarctic Expedition. London (1901). 



4. UAHA, J. D. Zoophyte. UJ3. Exploring Expedition (1838-1842) ; Philadelphia (1M46). 



5. ITKRDIW, J. E. On the genus Alicia (Cladactis), with an anatomical description of A. rottir. Pane. 



Ann. Mag. Nat Hut. (6), Vol. XT. (1895). 

 0. Goao, P. H. On the British Actinue. Ann. Mag. Nat. Hist. (3), Vol. i. (1858). 



7. KWIKTXIKWSKI, CABIIUR B. ' Actiniaria von Oat-Spitsbergen,' Zoologischc Jahrbucher (Sjrrt.) xi. 



(1898). 



8. McMcRRicH, J. PI^TFAIB. Actiniaj of 'Albatrow' Explorations. Proc. United States National 



Museum, Vol. xvi. (1898). 



9. McMuRBicu, J. PLAYFAIB. Report on Uie Hi-xactini of the Columbia University Expedition to the 



Pnget Sound daring the Summer of 189C ; Annals New York Acad. Sci., Vol. xiv., No. 1 (1901.) 



10. McMuuRlCH, J. PLATFAIB. Zoolog. Jahrb. Supp., vi. (Fuuna Chiliensis iii.) ; The Actinia; of the 



Plate Collection (1905). 



1 1. TBALK, T. P. On the Anatomy of Actinia eoriaeta ; Trans. Phil. Soc. Leeds, L (1837). 



YOU nr. 



EXPLANATION OF PLATES. 



b.c. brood chamber*. 



c. coelentcron. 



d. directive mesenteries. ^ 

 6c. ectoderm. 



em. em OTTOS. 

 en. endoderm. 



in. ec. inTaginated ectoderm, 

 in. en. inTaginated endoderm. 

 in. mg. inTaginated mesogloea. 

 in. o. opening to brood chamber. 

 1. m. longitudinal muscle. 

 1. m. m. longitudinal muscle of mesentery. 

 1. m. t. longitudinal muscles of tentacle, 

 mesenteries. 



2 A 



