1880.] List of the Birds of the Willamette Valley, Oregon. 485 
is in nearly every respect peculiar, it seems to me best to accept 
Prof. Hyatt’s view, and place sponges by themselves as a distinct 
sub-kingdom of animals, the Porifera. 
F. ON THE EMBRYOLOGY OF SPONGES. 
38. ae Embryologie de quelques éponges de la Manche. Annales des Sci. 
.. Sér. vi, Tome 111 (1876). 
39. seed J. Development of the marine sponges. Ann. Mag. Nat. History, 1874. 
40. Keller. Studien über Organisation und Entwickelung der Chalineen. Zeit. f. 
41. Hyatt, Alpheus. A Revision by the apt American poster with remarks 
upon foreign species. Mem. nS. N. H., 1875 an 
. Sponges considered as a vin sub- pedal of ih Proc. Boston 
S. N. H., XIX p. 12. 
3: Lieberkithn. „Beiträge zur Entwickelungsgeschichte der Spongillen, Miiller’s 
Archiv. 1856. 
Cf. the same Archiv. for 1857, 1859; 1863, 1865, 1867 for papers on the enatomy 
7 
if tesco E. Zur Entwickelungsgeschichte der Kalkschwimme. Zeitsch. 
wiss, Zool., XXIV (1874), p. 1; also x 
45. ——. ongiologische Studien, Zeit. f. wiss. “Zool., 
46. Schmidt, ms scar. Das Larvenstadium von Ascetta RS # und Ascetta 
clathrus. Arch. micros. Anat., XIV (1877), 403- 
ay Oventirang über die ieee der Spongien. Zeit. f. wiss. Zool. 
XXV, anaa 
48. Schulze, F. a “Untersuchungen über den Bau und die Entwickelung der 
Pares Zeit. f. wiss 
I. Sycandra, xxv, p. pa pews band) Cf. xxvu, 486. 
il. Halisarca, XXVIII, p. 1. 
ll. Chondrosiden, xx1x, p. 87. 
Iv. een XXX, 9. 
v. Diem rphose von Sycandra raphanus, XXXI, p. 262. 
VI. SEID XXXII. p. 117. 
VIIL. Spongide, XXXII, p: 593- 
vill. Hircinia und Oligoceras, n. g., XXXIII, p. I. 
20% 
LIST OF THE BIRDS OF THE WILLAMETTE VAL- 
OREGON. 
BY O. B. JOHNSON. 
ps is not meant to be a complete list of the avifauna of the 
region named, but only such a part as has fallen under my 
Personal observation during a residence of over ten years at three 
different points, viz: Five years at East Portland, which is but 
six miles from the Columbia river ; two years at Forest Grove, 
twenty-five miles west of Portland and at the foot of the Coast 
