POLYPI. 85 
Section I. 
Tentacles twelve. (Phytocorallia dodecactinia EHRENB.) 
Family VILL. Madreporina (Madreporina and Milleporina 
EnRENB.) Polypary secreted by the Polyps, stony, supplied with 
polypiferous cells, usually ramose or expanded, lobate. Tentacles 
short. 
Madrepora Li. (exclusive of many species), LAm. (Pordtes Esusp. 
Heteropora and Madrepora KHRensB.) Polypary stony with cells 
circumscribed, lamellose, often prominent, with porous interstices. 
Sp. Madrepora palmata, Heteropora palmata EXRENB., Madrepora muricata, 
var. Esper Pflanzenth. Madrepor. Tab. LI. On the animal of this species 
comp. Lesunur, Mém. du Mus. vi. pp. 290, 291, Pl. xvul. fig. 18. Madre- 
pora abrotanoides, Madrepora muricata Pauu., Quoy and GatmarD Voyage 
de VUran. Pl. xcvi., GuéRIN Iconogr. Zooph. Pl. xxi. fig. 10.—Madre- 
pore pocillifera Lam. &c. 
Pocillipora Lam. Polypary stony, ramose, with cells of slight 
depth not lamellose, contiguous. 
Sp. Pocillipora damicornis Lam., Esper Pflanzenth., Madrep. Tab. xuv1. 
and. XLVI A. &e. 
Genus Vullipora Lam. Systéme des Ani. s. vertébres 1801. p. 374. 
(Millepores with pores not evident Hist. nat. des Ani. s. vertébres u1. 
p- 311) according to EHRENBERG is in part to be brought here. 
Seriatopora LAM. (in part). Polypary stony, ramose, with cells 
disposed in longitudinal rows, with margin slightly prominent. 
Polyps with the structure of the dodecactinia, destitute of tentacles. 
Sp. Seriatopora subulata, Millepora lineata L., Esrer Pflanzenth. Millep. 
Tab. XIX. 
Millepora L. (exclusive of species) Polypary stony, ramose, with 
cells deep, obsoletely or not at all lamellose, separate, scattered. 
Sp. Millepora alcicornis L., Espur Pflanzenth. Millep. Tab. v, vit, xxvi, &e. 
(Here also the Polyps appear not always to possess arms). Many species 
which were formerly placed amongst the Millepora are now ranked in other 
genera.—Millepora truncata, the genus Truncularia WiEGMANN (Handb. 
der Zool.), Myriopora Buarny. belongs to the Bryozoa, EHRENB. Die Coral- 
lenthiere des rothen Meeres, ss. 126, 154, MILNE EpWArDs in 2nd edition of 
Lamarck Hist. Nat. des Ani. s. v. p. 306, 
