372 PROF. S. H. REYNOLDS AND BR. A. VAUGHAN ON [Allg. J9H, 



Michelinia konincki, nom. nov. (A single corallite is figured — 

 PI. XXXI, fig. 4.) 



= M. grandis, mut. Z. 



= M. tenuisepta Ed. & Ii. and de Kon., non (Phill.). 



This species is the most distinctive of all the Michelinias, and 

 is splendidly figured by de Koninck (as M. tenuisepta) l ; Ed. & H. 

 pi. xliv, fig. 1 is also a good representation. 



The tall corallites are few in number ; their apertures are large, 

 and do not differ very markedly in size. 



These two characters distinguish the species immediately from 

 M. tenuisepta (Phill.), figured by me in the Loughshinny paper, 

 p. 456. I have consequently assigned to it a new specific name. 



The corallites, on account of their slight adhesion, are commonly 

 found separate — a vertical section of one of these isolated tubes is 

 figured in PI. XXXI, fig. 4, and shows the vesicular structure of 

 Michelinia. 



M. Jconincki probably passes up into M. grandis M'Coy, a tall, 

 large- apertured species abundant in C-S. M. grandis is not un- 

 common in C 2 at Burrington ; it abounds in the North-Western 

 Province at Arnside, Kendal, etc., and it was from this province 

 that the type-specimen was derived. 



Zaphrentis. 



Zaphrentis delanouei Ed. & H., Carruthers. 

 Identical with ' Carruthers II ' pi. v, fig. 6. 



At Burrington this species is abundant at /3 and rare in Z i ; 

 there is no record of its occurrence above this level at any point of 

 the South-Western Province. It occurs in Z-y, both at Malahide 

 and at Tournai. I have no personal knowledge of its occurrence in 

 the Visean, although a form transitional towards Z. ennislc'dleni is 

 found in C-S of Arnside. 



Zaphrentis cf. parallela Carruthers. (PI. XXX, figs. 1 a-1 b & 

 (?) figs. 3 a-3 b.) 

 Compare ' Carruthers IV ' pi. xxxvii, figs. 4 «-4 d. 



This form is larger and more regularly conical than the abundant 

 and typical Z. delanouei, with which it is associated. 



The fossula in the adult (fig. 1 b) is remarkably parallel-sided 

 and contracts at the apex — cf. Carruthers's fig. 4 a ; the septation 

 is, however, more Caninoid than in his figures. 



[Figs. 3a & 3b are sections of a coral closely similar, externally, 

 to the above, but much mineralized by beekite; it is possible that 

 this may be a Ganinia, although comparison with figs. 1 a & 1 b suggests 

 that it is merely a badly-preserved example of Z. cf. parallela.'] 



The species is rare in (3, at Burrington, where I do not know it 

 at any other level. 



1 ' Nouvelles Kecherches ' pi. xiii, figs. 2 & 2 a. 



