LITERATURE OF HYDROZOA. 239 



V. Stromatoporoidea. 



34. " Petrefacta Germaniae." Goldfuss. 1826. 



35. " Ueber die Natur der Stromatoporen." Von Rosen. 1867. 



36. " Die Stromatoporen des rheinischen Devons." Bargatzky. 1881. 



37. " Monograph of the British Stromatoporoids." ' Palaeontographical 



Society.' Part I. General Introduction. 1886. Nicholson. 



38. " On some new or imperfectly known species of Stromatoporoids." 



'Annals Nat. Hist.,' 1886, 1887. Nicholson. 



