PREPAGE, ix 
To Professor Hutton of Canterbury College, New 
Zealand University, I am indebted for the generous loan 
of his collection of New Zealand Bryozoa, belonging to 
the Christchurch Philosophical Society. From an exam- 
ination of them, I should gather that some one, not a 
student, had the manual work of affixing the labels, 
because, in some instances, mistakes have arisen which 
must not be credited to Professor Hutton. I mention 
this because the synonyms could not be overlooked, and 
must occasion some surprise. 
.To Dr. Edward Pergens of Belgium I owe all! the 
valuable information concerning the species of Lamarck, 
the whole of whose collection has been examined by 
Dr. Pergens, who generously sent me many valuable notes 
upon it. 
Of whatever use this Catalogue, with all its faults, may 
prove to the student in the future, it is to Mr. Waters that 
the debt of gratitude is due, and I desire to record my 
own deep indebtedness to him from the commencement. 
He it was who first suggested my printing it, and who 
encouraged me in ‘the prosecution of the work through 
all its manifold difficulties, lending me books, giving me 
advice, and yet leaving me free to adopt my own opinion. 
Had it not been for the kindly encouragement of Mr. 
Waters, my spirit would have failed me many times. 
One more friend yet remains to receive my sincere 
thanks, and as Mr. Waters may be called the Alpha, so 
Mr. Peal of Ealing may be called the Omega, of my work. 
Without the former it would never have been attempted, 
without the latter it would never have been completed. 
To Mr. Peal I owe everything connected with the publi- 
cation ; he undertook the seeing it through all its financial 
difficulties, and has proved himself a very real friend in 
bringing my work to a practical result. 
