STRIGID.E — THE OWLS. 



99 



7449. Strix pratincola. Natural size. 



4886. Otus wilso nianus. Natural size. 



7272. Scotiaptex cinereum. Two thirds. 



7899. Nyctale ricliardsoni. Natural size. 



4:4. Scops asio. Natural size. 



773. Bubo virEfinianus. Two thirds. 



628. Nyctea nivea. Two thirds. 



7897. Surnia ulula. Natural size. 



428. Glaucidium ferrugineum. Natural size. 



437. Spheotj'to hypgsea. Natural size. 



