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Show 1868.] DR. J. E. GRAY ON THE CERATELLAD.E. 575 12. Neoctantes niger (Pelz.), ex fl. Madeira. 13. Dysithamnus schistaceus, Lafr. et d'Orb.* II. FoRMICIVORINiE. 14. Myrmotherula fulviventris, Lawr., ex Panama et rep. iEquat. 15. M. hcematonota, Scl., ex Amazon, sup. 16. M. einereiventris, Scl., ex Cayenna et Amazonia. 17. M. unicolor, Menetr., ex Nov. Granada int. 18. Formicivora strigilata, Max., ex Brasil. 19. Cercomacra cinerascens, Sclater t, ex Peruv. orient. 20. Percnostola fortis, Scl. et Salv., ex Peruv. orient. III. FORMICARIIN^E. 21. Heterocnemis simplex, Sclater, ex Surinam. 22. Myrmeciza hemimelcena, Scl., ex Amaz. sup. 23. M. immaculata, Scl. et Salv., ex Panama. 24. Hypocnemis flavescens, Scl., ex Rio Negro. 25. H. hypoxantha, Scl., ex Amaz. sup. 26. H. melanura, Scl. et Salv., ex Peruv. or. 27. H. hemileuca, Scl. et Salv., ex Peruv. or. 28. Pithys bicolor, Lawr., ex Panama. 29. Phlogopsis macleannani, Lawr., ex Panama. 30. Formicarius hoffmanni, Cab., ex Costa Rica. 31. Pittosoma michleri, Cassin, ex Panama. 32. Grallaria hypoleuca, Scl., ex Nov. Granad. int. 33. G. perspicillata, Lawr., ex Panama. 34. Grallaricula costaricensis, Lawr., ex Costa Rica. 35. G. nana (Lafr.), ex Nov. Granad. int. 36. G. loricata, Scl., ex Venezuela. 37. Conopophaga gutturalis, Scl., ex Nov. Granad. int. 3. Notes on the Ceratelladce, a family of Keratose Sponges. B y Dr. J O H N E D W A R D G R A Y , F.R.S., V.P.Z.S., &c. There have been in the British-Museum collection for several years two plant-like sea-animals that I do not think have been described, the delay having been partly caused by the difficulty that existed in determining to what group of animals, if they were animals, they ought to be referred. They were temporarily placed in the collection with the Gorgonoid Corals; but a very cursory examination showed that they did not belong to that group ; and though the surface of the * The species called by this name in m y American Cat. (no. 1087) has been since named D. ardesiacus, P. Z. S. 1867, p. 756. f The bird thus termed in m y Catalogue is C.napensis, mihi, supra, p. 572. |