.NOTES ON SOME SPECIES OF RETEPORA AND ADEOXELLA. 62 I 



7. Hetepora tumescens Ortmann. 



Retepora tumescens Ortmann 1S90, p. 34, pi. If, fig. 20. 



Numerous large specimens in the collection may be referred to 

 the above species. The localities are : Mochiyama (depth unknown) ; 

 Onigasé (1 17-312 fms.) ; Okinosé (depth unknown). The Mochiyama 

 specimens have large frontal avicularium prominently raised and pro- 

 vided with subtriangular mandible, exactly as in the type specimens 

 described by Ortmann from Sagami Sea, while in the Onigasé speci- 

 mens the same are raised to a less degree and have somewhat smaller 

 and more narrowly triangular mandible. 



8. Hetepora phœnicea Busk. 



Retepora phœnicea Busk 1854, p. 94, pi. cxxi, figs. 1-2. — Hincks 1877, p. 362. 

 — Busk 1884, p. 124, textfig. 34. — McCoy 1885, p. 27, pL xcviii, figs. 1-5 ; pL xciv, 

 fig. 13. — Waters 1887, p. 197, pi. vi, figs. 15 and 20. 



The present species is represented in the collection by two small 

 but complete colonies. Both are from Yodomi and a depth of 80-100 

 fms. The species closely resembles Retepora sanguinea Ortmann in 

 many respects, but differs from it in the shape and situation of frontal 

 avicularia. 



9. Hetepora axillaris Ortmann. 

 Pl. VIII., fig. 4; textfig. 3. 



Retepora axillaris Ortmann 1S90, p. 36, pL ii, fig. 25. 



Several large colonies in the collection may de identified with this 

 species. The localities are: Yodomi (63-312 fms.); Homba (234 

 fms.); Onigasé (1 17-156 fms.); a coral reef in the Loochoos (Okinawa 

 group). 



The colour of the Sagami Sea specimens is always a dark purple 

 in the living state; it changes into a lighter purple when dried, and 

 fades away more or less in the spirit. 



