Avatars and Vedas

The following is from Rig Veda i-154-1 which praises about the Trivikrama Avatara wherein Bhagavan measured the entire Universe with his divine feet:

vishNornukam vīryāNi pravocam Yah pārthivāni vimamerajāmsi
yo askabhāyaduttaram sadhastham vicakramāNastredhorugāyah


The following is from Rig Veda i-154-2 which mentions both about Trivikrama Avatara and Narasimha Avatara whereby Bhagavan Killed the Demon Hiranya Kasipu by taking the form of Man-Lion.

pra tad vishNu stavate vīryeNa mrgo na bhīmah kucaro girishthāh
yasyorushu trishu vikramaNeshu adhikshiyanti bhuvanāni viśvā

Like the above there are many Vedic Verses which deal with the Avataras.