152 RECENT MADREl'OKARIA OK THE HAWAIIAN ISLANDS AND LAYSAN. 



fvclc, approiicliiiij,' very near the sides of the outer ineiiiheis of the fourth, or actually 

 fusinfv to them. The members of the second cycle are straight, at the wall consid- 

 erably thicicer. witiiiii the calice slightly thicker tliaii the septa of the higher cycles. 

 IMate XLV, figure 4rt, shows the relations of t lie septa. First and second cycles slightly 

 exsert, the first the more prominent. Margins of the first two cycles entire in adult 

 specimens. Those of the higher cycles show crenute dentations along their inner 

 portions. First and s(>cond cycles imperforate; the higiier cycles sometimes with 

 large and rather tniiniToiis perforations. Tiie s(!ptal faces are almost smooth, a very 

 few weak sti'i.e and occasional small granulations. Both septa and wall become 

 secondarily much thick(>ned by stereoplasm. 



Calicular fossa shallow, about 1.5 mm. from upper termination of the col- 

 umella to the t()[)s of the highest septa. 



(.'olumella well developed, strong, vesiculate, projecting in the bottom of the 

 calice. In transverse-outline it is cruciform, a long piece coinciding with the longer 

 axis of the calic(>. and a shorter one opposite the inner ends of the medially situated 

 septa of the second cycle. The outer mem))ers of the last cycle in each of the two 

 medial systems bend toward one another, pass in front of the member of the 

 second cycle, and fuse separately to the shorter arms of the cross, but the member 

 of the second cycle usually does not. it is a little too short. 



Locality. — North coast of Maui Island, Station No. 4098; depth, 95-152 fathoms; 

 bottom, coral sand, foraminifei'a, rock; temperature, O-i.S'-" F. ; 3 specimens. 



(Mty2>e.'^.—^o. 2()8;>5 U.S.N.M. 



Remarkii. — This species is closely related to BalanophylUa rediviva Moseley. 

 The view of the calice from above given by Moseley, would serve for the species 

 here d(!scribed, but Moseley represents his species as having much more distinct 

 costiv and a decidedly deeper calice, giving 6 mm. as its depth, and it seems that 

 B. redirira is uniformly larger. 



A specimen dredged in the vicinity of Kauai Island. .Station 3999; depth not 

 definitely given, between 7-148 fathoms; bottom, coral sand, shells; is referred to 

 this species. This specimen (see Plate XLV, tig. 5) consists of three individuals of 

 three different ages. The second in age is attached to the inside of the calice of the 

 oldest individual, and the youngest individual is attached to the second, Tiot far above 

 its base. These specimens show nothing noteMni'thy in size or form. The measure- 

 ments are: 



Remnants of a very thin, fragile, and readily detachable epitheca can be seen up 

 to very edge of the calice. Excepting on the bases of the oldest and the youngest 

 specimens there are no costae, where they are present they are as in the cotypes of the 



